TY  - BOOK
AU  - Sokolov S S Ed.
AU  -  Iwanowski A B Ed.
TI  - Vendian system
U1  - H51, N0.1 
PY  - 1990///
CY  - Berlin
PB  - Springer Verlag        
KW  -  Precambrian
KW  -  Stratigraphy
KW  - Geology
ER  -