000 00287nam a2200121 a 4500
001 4140
005 20140414131947.0
008 090218s19uu xx 00 eng d
050 _aTR 371.3
_bP21 2005
245 _aParent's guide.
440 _aLearning math with Albert
541 _eM4091
999 _c112710
_d112710