000 00256nam a2200109Ia 4500
008 170912s9999 xx 000 0 und d
082 _a301.1DIE/S
245 0 _aSOCIAL COMPARISON THEORIES
260 _bPSYCHOLOGY PRESS
_c2007
300 _a534
942 _cTB
999 _c49720
_d49720