000			00338nam a2200145Ia 4500
008			180710s9999 xx 000 0 und d
020			_a169790
082			_a500 _bPOI
100			_aPOINCARE, Henri
245			_aScience and hypothesis
260			_a1952 _bDover pub. _c1952
300			_axxvii, 244 p.
650			_aScience
942			_cS
999			_c77873 _d77873