000			00332nam a2200145Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a658.8
100			_aBROWN, MIlton P.
245		0	_aProblems in Marking
250			_a4th ed
260			_anew york _bmcgraw hill book co _c1968
300			_a897P.
942			_cLL
999			_c2096 _d2096