TY  - BOOK
AU  - Harnam Singh
AU  -  Singh Harnam
TI  - B.Sc. practical physics
SN  - 8121904692 (pbk)
U1  - C:f3, J7 
PY  - 1957///
CY  - New Delhi    
PB  -  S.Chand & Company Ltd.     
KW  -  Practical physics
KW  - Physics
ER  -