000			00339nam a2200157Ia 4500
008			200208s9999 xx 000 0 und d
082			_aGL 100
100			_a"Wallas, Graham"
245		0	_aArt of thought
260			_aLondon
260			_bWatts & Co.
260			_c1949
300			_a162 p.
650			_aPhilosophy
942			_cREF
999			_c183358 _d183358