Lifefit an effective exercise program for optimal health and a longer life

Dades bibliogràfiques
Autor principal:	Paffenbarger, Ralph S. 1922-
Altres autors:	Olsen, Eric
Format:	Llibre
Idioma:	English
Publicat:	Champaign, IL Human Kinectics c1996.
Matèries:	Health. Physical fitness.