000			00341nam a2200133Ia 4500
001			78357
008			170722s9999 xx 000 0 und d
100			_aMarx, Melvin H. And
245			_aSystem and theories is psychology /
260			_c1963.
490			_aMc Graw-hill series in psychology
700			_aHillix, William A.
942			_cGEN
999			_c60662 _d60662