Notes
Dept of Anthropology, Comenius Univ., 80100 Bratislava, Czechoslovakia.
Dept of Psychology, Comenius Univ., 80601 Bratislava, Czechoslovakia.
Dept of General Phys. Educat., Paedag. Fac, 94974, Nitra, Czechoslovakia.
Dept of General Phys. Educat., Fac. Sci., 80100 Bratislava, Czechoslovakia.