00273nam a2200097Ia 4500008004100000082001500041100002200056245004600078260004300124300000800167190710s9999    xx            000 0 und d  a535.84 H44  aHerzberg, Gerhard 0aMolecular spectra and molecular structure  aTorontobD Van Nostrand Co. Inc.c1945  a632