000 00278nam a2200121Ia 4500
008 220201s9999 xx 000 0 eng d
082 _a621.944
100 _aDudley, Darle W
245 0 _aPractical gear design
260 _bTokyo: Kogakusha co
300 _a335
942 _2ddc
999 _c75774
_d75774