000 00491nam a2200145 a 4500
005 20140412111235.0
008 010417s19uu xx 00 eng d
050 _aTR(GS 512.2
_bM196 1968
245 _aMathematics, primer :
_bsets, numbers, numerals /
_cEileen Nelson McKenna; Bernard H. Gundlach.
260 _aRiver Forest, Illinois :
_bLaidlaw Brothers Pub,
_c1968.
300 _a128 p. ; ill.
440 _aThe New Laidlaw Mathematics Program
650 _aMathematics
999 _c102399
_d102399