000 00396nam a2200157Ia 4500
008 131223s9999 xx 000 0 und d
040 _aISI KOLKATA
041 _aEnglish
082 _a510.7
_bF889
100 _aFreudenthal Hans
245 _aDidactial phenomenology of mathematical structures
260 _aDordrecht
_bD Reidel
_c1983
300 _a595p
650 _aMathematics
942 _cBK
999 _c2082
_d2082