000 003900000a22001330004500
005 20251028083853.0
008 190201s9999 xx 000 0 und d
082 _a510
_bPER
100 _aPergamon
245 0 _aWorkshop mathematics :
_bmaterials selection and marking out using fractions /
_cPergamon
250 _aVol. 5
260 _aLondon :
_bPergamon Press,
_c1967
650 _aMathematics
999 _c44975
_d44975