00263nam a2200109Ia 4500008004100000041000800041082002300049100001500072245004900087260000900136300000800145211209s1977    xx            000 0 und d  aeng  a620.11 N77 HAJ/CHO  aHAJARA S K  aMATERIAL SCIENCES AND PROCESSES IN SI UNITS   c1977  a603