McIntosh P.C. , Mental Ability and success in school sport "Research in Physical Education" 1:1, 1966.
2.
Start K.B., The relationship between the games performance of a grammar schoolboy and his intelligence and streaming "Brit. J. Educ. Psychol. ". 31:2, 1961, p. 208-211.
3.
Start K.B.Substitution of games performance for academic achievement as a means of achieving status among secondary school children. "Brit. J. Sociol." 17:3, 1966, p. 300-305.
4.
Terman L.M., Genetic Studies of Genius. Stanford University Press, 1925.
5.
Terman L.M. and Oden M.H., The gifted child grows upStanford University Press . Stanford1947.
