TY  - BOOK
AU  - Abedi S A H
AU  -  Sharma Rakesh
AU  -  Surdana Manmohan Kumar
TI  - Samundre vigyan ki uplabdhiya
U1  - U25.2'N8, N1 
PY  - 1991///
CY  - New Delhi
PB  - Mahasagar Vikas Vibhag    
ER  -