00334nam a2200109Ia 4500008004100000082001900041100002000060245001200080260005900092630001800151650005500169211109s9999||||xx |||||||||||||| ||und||  a629.224bKON-T  aKonrad, Joachim 0aTractor  bState Institute of LanguagesaThiruvananthapuramc1973  xgeneral stack  atechnologyvother branches of engineeringGeneralia