TY  - GEN
AU  - Gupta, V.P. 
TI  - Principles and applications of quantum chemistry
SN  - 9780128034781
PY  - 2016///
CY  - Amsterdam
PB  - Academic press
KW  - Vibrational frequencies and intensities
KW  - Molecular orbital theories
UR  - https://www.sciencedirect.com/science/book/9780128034781
ER  -