00262nam a2200121Ia 4500008004100000041000800041082002300049100001400072245002700086250001000113260000900123300000800132211209s1977    xx            000 0 und d  aeng  a620.11 N77 CHO/ROY  aCHOWDHURY  aENGINEERING MATERIALS   a7 ed.  c1977  a365