000			00299nam a2200121 4500
082			_a370 _bDUK.T
084			_2Colon Classification
100			_aDuke
245			_aTeaching : _ban introduction / _cby Duke,Danie Linden
260			_aNew york : _bGraw Hill, _c1990.
300			_a325p. :
942			_cBK
999			_c685704 _d685704