References


Mead, R. (1984). Confounded experiments are simple, efficient and misunderstood. Experimental
 Agriculture 20: 185-201.

Mead, R. (1988). The design of experiments: Statistical Principles for Practical Application. Cambridge
 University Press.

Woolley, J.N., Beltran, J.A., Vallejo, R.A., Prager, M. (1988). Identifying Appropriate Technologies for
 Farmers: The case of the bean and maize system in Ipiales, Colombia, 1982-1986. CIAT Working
 Document 31. CIAT, Cali, Colombia.