Preserved : 2 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4)
Preserved
Springer Nature
National Digital Preservation Program, China
2012
2022
08/01/2024
Preserved : 2 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4)
Preserved
Springer Nature
National Digital Preservation Program, China
2014
2021
25/07/2023
Preserved : 2 (1 to 4); 13 (1 to 4); 14 (2 to 4); 15 (1, 2, 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4)
Preserved
Springer Nature
National Digital Preservation Program, China
2014
2021
13/10/2023
Preserved : 2 (1 to 4); 13 (1 to 4); 14 (2 to 4); 15 (1, 2, 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4)
Preserved : 2 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4); 22 (1 to 4)
Preserved
Springer Nature
National Digital Preservation Program, China
2012
2022
08/01/2024
Preserved : 2 (1 to 4); 11 (1 to 4); 12 (1 to 4); 13 (1 to 4); 14 (1 to 4); 15 (1 to 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4); 21 (1 to 4)
Preserved
Springer Nature
National Digital Preservation Program, China
2014
2021
25/07/2023
Preserved : 2 (1 to 4); 13 (1 to 4); 14 (2 to 4); 15 (1, 2, 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4)
Preserved
Springer Nature
National Digital Preservation Program, China
2014
2021
13/10/2023
Preserved : 2 (1 to 4); 13 (1 to 4); 14 (2 to 4); 15 (1, 2, 4); 16 (1 to 4); 17 (1 to 4); 18 (1 to 4); 19 (1 to 4)
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