000			00381nam a2200169Ia 4500
008			200428s9999||||xx |||||||||||||| ||und||
020			_c260.25
040			_aMAIN
041			_aEnglish
082			_a511.5 _bWIL
100			_aWillson, Robin J.
245			_aGraphs: an introductory approach
260			_bWiley Eastern _c1990
300			_a340p.
650			_aMATHS
942			_cGB
999			_c537 _d537