000 00437nam a2200193Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aLB1535.G7A9
245 0 _aDepartment of education
260 _aLondon
260 _bLongmans
260 _c1959
300 _axvi,76p.
300 _c22cm.
650 _aArithmetic
700 _aill.
942 _2Library of Congress Classification
942 _cPamphlet
999 _c98851
_d98851