00253nam a2200109Ia 4500008004100000041000800041082001500049100001600064245003000080260002500110300000800135211209s1975    xx            000 0 und d  aeng  a660.29 GAR  aGARRETT H E  aSURFACE ACTIVE CHEMICALS   bPERGAMON PRESSc1975  a178