000 00273nam a2200097Ia 4500
008 231207s9999 xx 000 0 und d
082 _a40
_b1985
100 _aSyed Raza Mehdi
245 0 _aAhmad Hassan Polytechnic institute at Sheikhupura Road, Lahore [Thesis]
260 _bNCA
999 _c35350
_d35350