00468nam a2200133 a 450000500170000000800410001705000240005824500250008226000520010730000080015965000340016799900190020195201140022020140414132120.0120822s19uu    xx            00    eng d  aTR 372.7bC167 2000  aCalvert Math Manual.  aHunt Valley, Maryland :bCalvert School,c2000.  a148  aMathematics-study & teaching.  c115049d115049  001040aMUbMUcTRd2012-08-22eLib. Fundl0oTR 372.7 C167 2000pM7031r2014-04-14 00:00:00w2014-04-14yBK