000 00278nam a2200121Ia 4500
008 200906s9999 xx 000 0 und d
082 _a513.8 B719
100 _aBONOLA,R
245 0 _aNON-EUCLIDEAN GEOMETRY
260 _bDOVER, NEW YORK
_c1955
300 _a20X14
942 _cBK
999 _c61872
_d61872