000 00282nam a2200109Ia 4500
008 161022s9999 xx 000 0 und d
100 _ahill mcgray
245 _aStandard Hand book of engenering Calcolations
260 _bHarper Colling Pub.
_c1972
300 _a12.1
942 _cBK
999 _c66838
_d66838