00418nam a2200169Ia 4500008004100000020002200041082001500063100001600078245002200094250001500116260001400131260003700145260000900182300001100191650001400202650003200216221231s9999    xx            000 0 und d  a978-81-224-2408-9  a541.28 PRA  aPrasad R.K. 0aQuantum chemistry  a4 th rved.  aNew Delhi  bNew Age International Publishers  c2017  a566 p.  aChemistry  bQuantum,chemistry,Chemistry