000			00344nam a2200145Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
020			_a256020841
041			_aen
082			_a657.7
100			_aHARWOOD, Gordon B.
245		0	_aQuantitative methods
260			_aAmerica _bLearing systems company _c1979
300			_axi,160p.
942			_cLL
999			_c2400 _d2400