000			00383nam a2200145 a 4500
005			20140414132121.0
008			120822s19uu xx 00 eng d
020			_a188828739
050			_aTR 372.7 _bC167 2000
245			_aCalvert math.
260			_aHunt Valley, Maryland : _bCalvert School, _c2000.
300			_a262
541			_eM7057
650			_aMathematics-study & teaching.
999			_c115073 _d115073