TY  - BOOK
AU  - Schopf,J.William
AU  - Klein,Cornelis
TI  - The Proterozoic biosphere: a multidisciplinary study (Electronic Book)
SN  - 9780511601064
U1  - 560.171 
PY  - 2011///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Paleontology
UR  - https://doi.org/10.1017/CBO9780511601064
ER  -