000			00370nam a2200145Ia 4500
008			180611s9999||||xx |||||||||||||| ||und||
041			_aen
082			_a510
100			_aDUNCAN, Earnest R. .et al.
245		0	_aModern School Mathematics Structure and Use
250			_aRev.
260			_aNew York. _bHoughton Mifflin Com, US _c1972
300			_aiv, 348p;
942			_cLL
999			_c668 _d668