00417nam a2200181Ia 4500008004100000041001200041082000800053082001100061100001600072100001100088245003400099260001200133260003000145260000900175300001500184650001800199650001800217150909s9999    xx            000 0 und d  aEnglish  a540  bPIL/EL  aPilar F L    eAuthor  aElementary  quantum chemistry  aNewYork  bMc Graw Hill Book company  c1968  a726  Pages  aAtomic theory  aElectron spin