RT Article T1 Emotional reactivity in the elderly: some basic problems and results JF Psychologische Beiträge VO 40 IS 1 SP 113 OP 135 A1 Hüppe, Michael A1 Janke, Wilhelm LA English YR 1998 UL https://krimdok.uni-tuebingen.de/Record/1639763341 K1 Emotion K1 Alter