TY  - BOOK
AU  - Calder,Nigel
TI  - Einstein's universe
SN  - 0140135162
U1  - 530.11 
KW  - Space and time
KW  - Relativity (Physics)
KW  - Cosmology
KW  - Einstein, Albert, 1879-1955
UR  - https://archive.org/details/einsteinsunivers00cald_0
UR  - https://openlibrary.org/books/OL9303035M/Einstein%27s_Universe
ER  -