TY  - BOOK
AU  - Helen, V.S.
TI  - Spectroscopy and instrumental analysis: by  V.S. Helen
SN  - 9788190798150
U1  - 543.5 
PY  - 2009///
CY  - Chennai
PB  - Neithal Pathipagam
KW  - Spectrum Analysis
ER  -