000			00436nam a2200145Ia 4500
008			211224s9999 xx 000 0 und d
020			_a9780763753818
082			_a516.9 STA
100			_aStahl, Saul
245		2	_aA gateway to modern geometry : the Poincaré half-plane
250			_a2nd ed
260			_aSudbury, MA: _bJones and Bartlett Publishers, _c2008
300			_aviii, 255 p. : ill. ; 24 cm
650			_aGeometry, Non-Euclidean
999			_c4829 _d4829