000 00362nam a22001217a 4500
082 _a510
_bDEN
_cL-2; P-76
100 _aRichard. A, Denholm,
245 _aMathematics structure and skills
_cDenholm, Richard. A :
260 _aCalifornia :
_bCalifornia State of Department of Education,
_c1970
300 _a471 p. :
_bill. ;
_c20cm. +
650 _aMCE
942 _cBK
999 _c3624
_d3624