TY  - BOOK
AU  - Verma, V. K.
TI  - Aavsadi Shail-Vigyan
U1  - 552.5 
PY  - 1989///
CY  - Chandigarh
PB  - Hariyana Sahitay Academy
KW  - Pure Sciences
KW  - Science of the earth and other worlds
KW  - Sedimentary rocks
ER  -