TY - CONF TI - Centrality of recreational activities: Hiking and biking illustrated AF - Time shift, leisure and tourism. Impacts of time allocation on successful products and services PP - Berlin SN - 3-503-09746-5 PB - Erich Schmidt Verlag GmbH & Co., Berlin SP - 203 EP - 220 PY - 2006-10-01 AU - Zins, Andreas ER -