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Scholars Portal
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Preserved
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2025-09-02
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Preserved : 151 (1 to 26); 152 (, 1 to 24, 25/26); 153 (, 1 to 26); 154 (, 1 to 24, 25/26); 155 (, 1 to 26); 156 (, 1 to 24, 25/26); 157 (, 1 to 26); 158 (, 1 to 25, 26/27); 159 (, 1 to 26); 160 (, 1 to 24, 25/26); 161 (, 1, 3 to 26); 162 (, 1 to 11, 13 to 15, 17 to 24, 25/26); 163 (, 1 to 26); 164 (, 1 to 24, 25/26); 165 (, 1 to 26); 166 (, 1 to 24, 25/26); 167 (, 1 to 26); 168 (, 1 to 25, 26/27); 169 (, 1 to 25); 170 (, 1 to 25, 26/27); 171 (, 1 to 26); 172 (, 1 to 24, 25/26); 173 (, 1 to 19); 174 (, 1 to 13); 175 (, 1 to 13); 176 (, 1 to 13); 177 (, 1 to 13); 178 (, 1 to 13); 179 (, 1 to 13); 180 (, 1 to 14); 181 (, 1 to 13); 182 (, 1 to 13); 183 (, 1 to 13); 184 (, 1 to 13); 185 (, 1 to 13); 186 (, 1 to 13); 187 (, 1 to 13); 188 (, 1 to 8); 1997; 1998; 1999; 2000; 2001; 2002; 2003; 2004; 2005; 2006; 2007; 2008; 2009; 2010; 2011; 2012; 2013; 2014; 2015
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Internet Archive
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Preserved
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2025-08-08
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1 to 186
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CLOCKSS Archive
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Preserved
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2026-02-09
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151 to 188
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Portico
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Preserved
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2026-02-12
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Preserved : 1997: 151(1, S 1, 2-26), 1997: 152(1-26), 1998: 153(1-13), 1998: 154(1-13), 1999: 155(1-13), 1999: 156(1-13), 2000: 157(1-13), 2000: 158(1-13), 2001: 159(1-13), 2001: 160(1-13), 2002: 161(1-13), 2002: 162(1-11, 13), 2003: 163(1-13), 2003: 164(1-13), 2004: 165(1-13), 2004: 166(1-13), 2005: 167(1-13), 2005: 168(1-13), 2006: 169(1-13), 2006: 170(1-13), 2007: 171(1-13), 2007: 172(1-13), 2008: 173(1-13), 2008: 174(1-13), 2009: 175(1-13), 2009: 176(1-13), 2010: 177(1-13), 2010: 178(1-13), 2011: 179(1-13), 2011: 180(1-13), 2012: 181(1-13), 2012: 182(1-13), 2013: 183(1-13), 2013: 184(1-13), 2014: 185(1-13), 2014: 186(1-13), 2015: 187(1-13), 2015: 188(1-8)
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Technische Informationsbibliothek
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Preserved
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2026-01-13
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vol.151:1-26,S1;vol.152:1-24,25-26;vol.153:1-26;vol.154:1-24,25-26;vol.155:1-26;vol.156:1-24,25-26;vol.157:1-26;vol.158:1-25,26-27;vol.159:1-26;vol.160:1-24,25-26;vol.161:1-26;vol.162:1-11,13-15,17-24,25-26;vol.163:1-26;vol.164:1-24,25-26;vol.165:1-26;vol.166:1-24,25-26;vol.167:1-26;vol.168:1-25,26-27;vol.169:1-25;vol.170:1-25,26-27;vol.171:1-26;vol.172:1-24,25-26;vol.173:1-19;vol.174:1-13;vol.175:1-13;vol.176:1-13;vol.177:1-13;vol.178:1-13;vol.179:1-13;vol.180:1-14;vol.181:1-13;vol.182:1-13;vol.183:1-13;vol.184:1-13;vol.185:1-13;vol.186:1-13;vol.187:1-13;vol.188:1-8
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National Digital Preservation Program, China
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Preserved
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2025-10-23
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Preserved : 16 (1 to 9, 11 to 19, 21 to 24, 25?26); 17 (1 to 9, 11 to 19, 21 to 25, 26?27); 18 (1 to 9, 11 to 14); 151 (S1, 1 to 9, 11 to 19, 21 to 26); 152 (1 to 9, 11 to 19, 21 to 24, 25?26); 153 (1 to 9, 11 to 19, 21 to 26); 154 (1 to 9, 11 to 19, 21 to 24, 25?26); 155 (1 to 9, 11 to 19, 21 to 26); 156 (1 to 9, 11 to 19, 21 to 24, 25?26); 157 (1 to 9, 11 to 19, 21 to 26); 158 (1 to 9, 11 to 19, 21 to 25, 26?27); 159 (1 to 9, 11 to 19, 21 to 26); 161 (1 to 9, 11 to 19, 21 to 26); 162 (1 to 9, 11, 13 to 15, 17 to 19, 21 to 24, 25?26); 163 (1 to 9, 11 to 19, 21 to 26); 164 (1 to 9, 11 to 19, 21 to 24, 25?26); 165 (1 to 9, 11 to 19, 21 to 26); 166 (1 to 9, 11 to 19, 21 to 24, 25?26); 167 (1 to 9, 11 to 19, 21 to 26); 168 (1 to 9, 11 to 19, 21 to 25, 26?27); 169 (1 to 9, 11 to 19, 21 to 25); 171 (1 to 9, 11 to 19, 21 to 26); 172 (1 to 9, 11 to 19, 21 to 24, 25?26); 173 (1 to 9, 11 to 19); 174 (1 to 9, 11 to 13); 175 (1 to 9, 11 to 13); 176 (1 to 9, 11 to 13); 177 (1 to 9, 11 to 13); 178 (1 to 9, 11 to 13); 179 (1 to 9, 11 to 13); 181 (1 to 9, 11 to 13); 182 (1 to 9, 11 to 13); 183 (1 to 9, 11 to 13); 184 (1 to 9, 11 to 13); 185 (1 to 9, 11 to 13); 186 (1 to 9, 11 to 13); 187 (1 to 9, 11 to 13); 188 (1 to 8)
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National Digital Preservation Program, China
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Preserved
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2025-12-04
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Preserved : 16 (1 to 9, 11 to 19, 21 to 24, 25?26); 17 (1 to 9, 11 to 19, 21 to 25, 26?27); 18 (1 to 9, 11 to 14); 151 (S1, 1 to 9, 11 to 19, 21 to 26); 152 (1 to 9, 11 to 19, 21 to 24, 25?26); 153 (1 to 9, 11 to 19, 21 to 26); 154 (1 to 9, 11 to 19, 21 to 24, 25?26); 155 (1 to 9, 11 to 19, 21 to 26); 156 (1 to 9, 11 to 19, 21 to 24, 25?26); 157 (1 to 9, 11 to 19, 21 to 26); 158 (1 to 9, 11 to 19, 21 to 25, 26?27); 159 (1 to 9, 11 to 19, 21 to 26); 161 (1 to 9, 11 to 19, 21 to 26); 162 (1 to 9, 11, 13 to 15, 17 to 19, 21 to 24, 25?26); 163 (1 to 9, 11 to 19, 21 to 26); 164 (1 to 9, 11 to 19, 21 to 24, 25?26); 165 (1 to 9, 11 to 19, 21 to 26); 166 (1 to 9, 11 to 19, 21 to 24, 25?26); 167 (1 to 9, 11 to 19, 21 to 26); 168 (1 to 9, 11 to 19, 21 to 25, 26?27); 169 (1 to 9, 11 to 19, 21 to 25); 171 (1 to 9, 11 to 19, 21 to 26); 172 (1 to 9, 11 to 19, 21 to 24, 25?26); 173 (1 to 9, 11 to 19); 174 (1 to 9, 11 to 13); 175 (1 to 9, 11 to 13); 176 (1 to 9, 11 to 13); 177 (1 to 9, 11 to 13); 178 (1 to 9, 11 to 13); 179 (1 to 9, 11 to 13); 181 (1 to 9, 11 to 13); 182 (1 to 9, 11 to 13); 183 (1 to 9, 11 to 13); 184 (1 to 9, 11 to 13); 185 (1 to 9, 11 to 13); 186 (1 to 9, 11 to 13); 187 (1 to 9, 11 to 13); 188 (1 to 8)
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