1. Choomuang, M. (1988). A method of analysis of intercropping experiments. Ph.D. Thesis, University of Western Australia, Nedlands, Western Australia.
2. de Wit, C.T. and J.P. van den Bergh (1965). Competition among herbage plants. Netherlands J. Agric. Sci. 13, 212–221.
3. Federer, W.T. and B.R. Murty (1987). Use, limitations, and requirements of multivariate analyses for intercropping experiments. In Biostatistics (I.B. MacNeill and G.J. Umphrey, eds.). Reidel, Dordrecht, pp. 269–283.
4. Unpublished Technical Report BU-777-M in the Technical Report Series of the Biometrics Unit;WT Federer,1982
5. Geisser, S. and S.W. Greenhouse (1958). An extension of Box’s results on the use of the F-distribution in multivariate analysis. Ann. Math. Statist. 29, 885–891.