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References
1.
English
F.
“The Substitution Factor: Rackets and Real Feelings, Part I” , Trans. An. J. , 1 : 4 , October 1971 .
2.
English
F.
“The Substitution Factor: Rackets and Real Feelings, Part II” , Trans. An. J. , 2 : 1 , January 1972 .
3.
Karpman
S.
“Options” , Trans. An. J. , 1 : 1 , January, 1971 .
