000 00386nam a2200157Ia 4500
008 250428s9999 xx 000 0 und d
082 _a510 G95j 1968
245 0 _aJunior high school mathematics
245 0 _cGundlach, Bernard H.
260 _bLaidlaw Brothers.
260 _c1968
300 _a408 pages.
526 _a500 Natural Sciences & Math
942 _2DDC
942 _cB
999 _c20584
_d20584