000			00322nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
082			_aAL-
082			_b22
100			_a"Singh, Parvin"
245		2	_aA Text Book of Engineeri
260			_aNew Delhi
260			_bKataria S.K.
260			_c1992
300			_a"xi, vii"
999			_c16337 _d16337