TY  - BOOK
AU  - Salop Lazarus J `
AU  -  Gradina V P Tr.
TI  - Geological evolution of the earth during the precambrian
U1  - H51v, M3 
PY  - 1983///
CY  - Berlin
PB  - Springer-Verlag         
KW  -  Precambrian
KW  -  Stratigraphy
KW  - Geology
ER  -