000 00415nam a2200157Ia 4500
008 230524s9999 xx 000 0 und d
040 _cUDSM
050 _aQA93.F6813
100 1 _aFreudenthal, Hans
_eAuthor
245 1 0 _aMathematics observed
260 _aLondon:
_bWorld University Library,
_c1967.
300 _a256p.:
_bill.;
_c20cm.
650 1 _aMathematics
650 1 _aPopular works
942 _2lcc
_cBK
_n0
999 _c73980
_d73980