TY  - BOOK
AU  - Beiser Arthu. 
AU  - Mahajan Shobhit
TI  - Concepts of modern physics
SN  - 13:978-0-07-015155-0 
U1  - 539 
PY  - 2010///
CY  - New delhi
PB  -  Tata Mcgraw Hill 
KW  - Engineering
ER  -