00375nam a2200145Ia 450000500170000000800410001708200120005810000230007024500460009326000370013930000130017665000160018994200070020599900170021220240821151426.0240821s9999||||xx |||||||||||||| ||und|| a510 ROS aRosskoff, Myron F. 0aModern mathematics for junior high school aNew JerseybSilver Burdettc1961 avii,503p aMathematics cBK c23167d23167