The secrets of relaxation : a 3-way programme that really works /
Kohler, Mariane.
Elwing, Henri.
London : Pan Books,
1973
Translation of: 'La Relaxation: art et science du repos'. Paris: Laffont, 1970.
This translation originally published, New York : Stein and Day, 1971 ; London : Souvenir Press, 1972.
Relaxation.
Physical fitness.