TY - BOOK A1 - Bowlby, John T1 - A Secure Base. Parent-Child Attachment and Healthy Human Development. New York (Basic Books) 1988. Y1 - 1988 UR - https://opus4.kobv.de/opus4-Fromm/frontdoor/index/index/docId/27488 N1 - Ex libris Marco Bacciagaluppi ER -