RT Article T1 Commentary: attachment as regulation: a commentary JF Child development VO 58 IS 3 SP 648 OP 652 A1 Pipp, Sandra A1 Harmon, Robert J. 1946- A2 Harmon, Robert J. 1946- LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/162669804X K1 Kinder K1 Entwicklungspsychologie