TY  - BOOK
AU  - Balakrishnan (ed.)
TI  - Sachitra Vijyan Viswakosh: : prathvi,aakash,khanij
U1  - 030 
PY  - 1998///
CY  - New Delhi
PB  - Rajpal
KW  - Encyclopaedia
KW  - General Studies
ER  -