000			00347nam a2200133Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a620.0040202
100			_aTownsend Brian J
245		0	_aComputer- aided draughting workbook
260			_bLondon. The macmillan press l _ctd. 1993
300			_aviii,54p,i
942			_cLL
999			_c1582 _d1582