Participation Sashatoon - A media oriented approach to fitness motivation

von Bell, R.D. (Autor), ... Nixon, H.R. (Autor), Struthers, J.K. (Autor), Lauda, S. (Autor), Baily, D.A. (Autor) Jyväskylä: 1976, Mskr., 15 S., 4 Darst., Lit.