00355nam a22001217a 450000500170000002000180001708200170003510000190005224500720007125000120014326000680015530000100022320260722135443.0 a81-8293-075-8 a530.12 BHA.T aBhagwan, Pooja aA Textbook of quantum mechanics and spectroscopy / by Pooja Bhagwan a1st ed. aNew Delhi:bInternational Scientific Publishing Academy,c2016. a236p.