000			00319nam a2200133 a 4500
005			20140414093835.0
008			030611s19uu xx 00 eng d
050			_aCDR 510 _bTAN 1997
245			_aTangible math : _bdemo windows TM.
650			_aMathematics.
650			_aCD-ROM.
942			_cAVM
999			_c108986 _d108986