TY  - BOOK
AU  - Ryabchikov, A.
AU  - Williams, John
TI  - The changing face of the earth: the structure and dynamic of the geosphere, its the natural development and the changes caused by man 
U1  - 550 
PY  - 1975///
CY  - Moscow 
PB  - Progress Publishers 
KW  - Science
KW  - Earth Science
N1  - Includes bibliographical references
ER  -