00175 a2200073 4500 0 0 udc 0 0 UL UL 2018-07-25 0 EB000948 2018-07-25 2018-07-25 EB 90074 90073 20180725121715.0 180725b ||||| |||| 00| 0 eng d 9780128034781 Gupta, V.P. Principles and applications of quantum chemistry Academic press Amsterdam 2016 Vibrational frequencies and intensities Molecular orbital theories https://www.sciencedirect.com/science/book/9780128034781 EB