TY  - BOOK
AU  - GUPTA, DR. S.L.
AU  - KUMAR, DR. V.
AU  - SARMAH, DR. R.C.
TI  - ELEMENTS OF SPECTROSCOPY ( Atomic, Molecular and Laser Physics)
U1  - 543.085 8 GUP 
PY  - 2013///
CY  - MEERUT
PB  - PRAGATI PRAKASHAN
ER  -