TY  - GEN
T1  - Willem de Sitter :Einstein's friend and opponent /
AU  - Guichelaar, Jan,
CN  - QB36.S6
ID  - 850859
KW  - Astronomers
SN  - 9783319983370
SN  - 3319983377
TI  - Willem de Sitter :Einstein's friend and opponent /
LK  - https://univsouthin.idm.oclc.org/login?url=http://link.springer.com/10.1007/978-3-319-98337-0
UR  - https://univsouthin.idm.oclc.org/login?url=http://link.springer.com/10.1007/978-3-319-98337-0
ER  -