TY  - BOOK
AU  - Gorshkov,Georgil Petrovich
AU  - Yakushova,Alexander Fedorovna
TI  - Physical geology / 
U1  - 551 
PY  - 1977///
CY  - Moscow : 
PB  - Mir Publishers, 
KW  - Physical geology
N1  -  Includes bibliographical references and index
ER  -