TY  - BOOK
AU  - Walter MR
TI  - Life in the precambrian
U1  - 560.17 
PY  - 1977///
CY  - Amsterdam
PB  - Elsevier Scientific Pub
KW  - Paleontology
KW  - Stratigraphy
N1  - special issue of precambrian research, v.5,no.2, Aug. 1977
ER  -