00267nam a2200109Ia 4500008004100000041001200041082001700053100001500070245002900085260003000114300001300144231217s9999    xx            000 0 und d  aEnglish  a621.815  TRI  aTrikha S N 0aMachine design exercises  c1987bNew Delhi : Khanna,  axxiv+586