000			00347nam a2200145Ia 4500
008			221117s9999 xx 000 0 und d
082			_bSIN
100			_aSINGH, SADHU
245		0	_aCOMPUTER AIDED DESIGN
250			_a1ST
260			_bSK KATARIA & SONS, NEW DELHI _c2011
300			_a261
650			_aComputer Science & Eng.
942			_cBK
999			_c212848 _d212848