| Preserved |
Elsevier |
CLOCKSS Archive |
1973 |
1995 |
16/01/2023 |
|
21, 91, 103 to 105, 119 to 122, 139 to 144, 173 to 175, 190 to 192, 207 to 209, 225 to 227, 243 to 245, 262 to 264, 281 to 283, 301 to 303, 323 to 325, 346 to 348 |
| Preserved |
ELSEVIER LTD. |
Internet Archive |
1992 |
1992 |
18/12/2022 |
|
281 to 283 |
| Preserved |
Elsevier |
National Library of the Netherlands |
1973 |
1995 |
18/12/2022 |
|
Preserved : 21 (1); 91 (2, 3, 4-5, 6); 103 (1, 2, 3-6); 104 (1-3, 4-5, 6); 105 (1-2, 3-6); 119 (1, 2, 3-4); 120 (1, 2-3, 4); 121 (1, 2, 3-4); 122 (1, 2, 3-4); 139 (1-4); 140 (1, 2-3, 4); 141 (1, 2, 3-4); 142 (1-2, 3, 4); 143 (1-2, 3, 4); 144 (1-4); 173 (1-4); 174 (1-4); 175 (1-4); 190 (1-4); 191 (1, 2, 3-4); 192 (1-4); 207 (1, 2, 3-4); 208 (1, 2, 3-4); 209 (1-2, 3-4); 225 (1-2, 3, 4); 226 (1-4); 227 (1-4); 243 (1-4); 244 (1-4); 245 (1-4); 262 (1-4); 263 (1-4); 264 (1-4); 281 (1-4); 282 (1-4); 283 (1-4); 301 (1-4); 302 (1-4); 303 (1-4); 323 (1-2, 3, 4); 324 (1-2, 3, 4); 325 (1, 2-3, 4); 346 (1-4); 347 (1, 2, 3-4); 348 (1-4) |
| Preserved |
Elsevier |
Portico |
1973 |
1995 |
19/01/2023 |
|
Preserved : 1973: 21(1), 1981: 91(1-6), 1982: 103(1-6), 1982: 104(1-6), 1982: 105(1-6), 1983: 119(1-4), 1983: 120(1-4), 1983: 121(1-4), 1983: 122(1-4), 1984: 139(1-4), 1984: 140(1-4), 1984: 141(1-4), 1985: 142(1-4), 1985: 143(1-4), 1985: 144(1-4), 1986: 173(1-4), 1986: 174(1-4), 1986: 175(1-4), 1987: 190(1-4), 1987: 191(1-4), 1987: 192(1-4), 1988: 207(1-4), 1988: 208(1-4), 1988: 209(1-4), 1989: 225(1-4), 1989: 226(1-4), 1989: 227(1-4), 1990: 243(1-4), 1990: 244(1-4), 1990: 245(1-4), 1991: 262(1-4), 1991: 263(1-4), 1991: 264(1-4), 1992: 281(1-4), 1992: 282(1-4), 1992: 283(1-4), 1993: 301(1-4), 1993: 302(1-4), 1993: 303(1-4), 1994: 323(1-4), 1994: 324(1-4), 1994: 325(1-4), 1995: 346(1-4), 1995: 347(1-4), 1995: 348(1-4) |
| Preserved |
Elsevier |
Scholars Portal |
1973 |
1998 |
02/01/2023 |
|
Preserved : 21 (1); 91 (2, 3, 4-5, 6); 103 (1, 2, 3-6); 104 (1-3, 4-5, 6); 105 (1-2, 3 to 6); 119 (1, 2, 3-4); 120 (1, 2-3, 4); 121 (1, 2, 3-4); 122 (1, 2, 3-4); 139 (1 to 4); 140 (1, 2-3, 4); 141 (1, 2, 3-4); 142 (1-2, 3, 4); 143 (1-2, 4); 144 (1 to 4); 173 (1 to 4); 174 (1 to 4); 175 (1 to 4); 190 (1 to 4); 191 (1, 2, 3-4); 192 (1 to 4); 207 (1, 2, 3-4); 208 (1, 2, 3-4); 209 (1-2, 3-4); 225 (1-2, 3, 4); 226 (1 to 4); 227 (1 to 4); 243 (1 to 4); 244 (1 to 4); 245 (1 to 4); 262 (1 to 4); 263 (1 to 4); 264 (1 to 4); 281 (1 to 4); 282 (1 to 4); 283 (1 to 4); 301 (1 to 4); 302 (1 to 4); 303 (1 to 4); 323 (1-2, 3, 4); 324 (1-2, 3, 4); 325 (1, 2-3, 4); 346 (1 to 4); 347 (1, 2, 3-4); 348 (1 to 4) |
