000 00293nam a2200109Ia 4500
008 210616s9999 xx 000 0 und d
100 _aKelein, Melanie
245 0 _aEnvy and gratitude
260 _c1988
650 _aTechnology and Applied Sciences
_bMedical and Medicine Science
942 _cBK
999 _c3440
_d3440