Psychische Beanspruchung im Hallen- und Beachvolleyball - Papageorgious, A.; Hömberg, S.; Blum, F. (Volleyball '97: Analysen und Training. 23. Symposium des Deutschen Volleyball Verbandes 1997, 1998)
Keywords: volleyball; beach-volley; sport psychology; motivation; competition rules and regulations; competition; injury; tactics; stress; Germany; social sciences; sport games