TY  - BOOK
AU  - GUPTA (S L) & others.
TI  - Elements of spectroscopy
U1  - 535.84 GUPE 
PY  - 1975///
CY  - Meerut
PB  - Pragaati Prakashan
KW  - Spectroscopy Atomic Spectra X-ray Molecular Binding
ER  -