000 00293nam a2200121Ia 4500
008 230724s1999 xx und d
041 _aeng
082 _a620.11
100 _aRANGWALA S.S.
245 _aENGINEERING MATERIALS .
260 _bCHAROTAR PUBLISHING HOUSE
_c1999
300 _a527
999 _c1171256
_d1171256