TY  - GEN
AU  - Williams, Dudley 
AU  - Fleming, Ian
TI  - Spectroscopic methods in organic chemistry
SN  - 9780071332767
U1  -  543.5 WIL/S 
PY  - 2011///
CY  - New Delhi
PB  - Tata McGraw Hill 
KW  - Spectrum analysis
ER  -