000 00247nam a2200109Ia 4500
008 211209s1975 xx 000 0 und d
041 _aeng
082 _a621.89 N75 BAP
100 _aBAPAIAH G
245 _aINTRODUCTION TO TRIBOLOGY
260 _c1975
999 _c6700
_d6700