000 00294nam a2200097Ia 4500
008 180820s9999 xx 000 0 und d
050 _aC QA 453 H497 2005
100 _aHenderson, David W./ Tamina, Daina
245 0 _aExperiencing geometry : euclidean and non euclidean with history
942 _cBK
999 _c64228
_d64228