000			00321nam a2200133Ia 4500
100			_aA Bakon,A Szymanski
020			_a0-13-739095-5
654			_aPolytechnic - Jewellery
942			_cBK
245			_aPractical uses of diamond
260			_aEllis Horwood, New York _cc1993
082			_a553.82 Bak/Szy
300			_a248p
999			_c30193 _d30193