TY  - BOOK
AU  - Visvkarma, J P.
TI  - Pryavaran adyayan avam samsamyik mudde
SN  - 9788189482756
U1  - 551 
PY  - 2012///
CY  - delhi
PB  - Akash publisher and distributer
KW  - EARTH SCIENCE
ER  -