U. P. SINGH, M. GANESH, and C. P. SRIVASTAVA, “DETECTION OF EPISTASIS AND ESTIMATION OF COMPONENTS OF GENETIC VARIATION APPLYING MODIFIED TRIPLE TEST CROSS ANALYSIS USING TWO TESTERS IN PEA (PISUM SATlVUM L.)”, IJGPB, vol. 57, no. 02, pp. 138–142, May 1997.