TY - JOUR A1 - HAPA, Handicapped Adventure PlaygroAssociation T1 - Adventure Playgrounds for Handicapped Children. 32 pp. Y1 - 1978 UR - https://opus4.kobv.de/opus4-Fromm/frontdoor/index/index/docId/29921 N1 - Ex libris Marco Bacciagaluppi ER -