00282nam a22001217a 4500082000800000100001900008245003200027250001100059260005800070300000800128942000700136999001700143  aMCL  aMclafferty F W  aInterpretation of ma pectra  a3rd ed  aCaliforniabUniverity science books mill valleyc1980  a303  cBK  c15179d15179