TY  - BOOK
AU  - Chatwal, Gurdeep R.  .
TI  - Spectroscopy (atomic and molecular) / 
SN  - 978-81-8318-862-3
U1  - C5:3 
PY  - 2002///
CY  - Mumbai : 
PB  - Himalaya Publishing house , 
KW  - Spectroscopy- Atomic and molecular
ER  -