00375nam a22001457a 4500003000500000005001700005020001800022038001700040082002000057100001800077245005400095260002500149300001600174440003900190NUST20181017085429.0  a9788131712856  aSNS Library   a541.28 ENG 2009  aThomas Engel   aQuantum Chemistry and SpectroscopycThomas Engel   aIndiabPearsonc2009  a507 p.bPb.  aQuantum Chemistry and Spectroscopy