The ecology of tropical food crops : Norman, M. J. T., Pearson, C. J. and Searle, P. G. E. Cambridge University Press, 1984. Price: [pound sign]32[middle dot]50 (Hardcover). [pound sign]12[middle dot]95 (Paperback).

Grass: Its production and utilisation : Holmes, W. (Ed.). Published for the British Grassland Society by Blackwell Scientific Publications, Oxford, 1980 (reprinted 1983). Price: [pound sign]9[middle dot]50

Tayler, R. S., (1984)

Production and water use of several food and fodder crops under irrigation in the desert area of Southwestern Peru : Alberda, Th. Centre for Agrobiological Research (CABO), Wageningen, The Netherlands. 1984. 56 pp., Agricultural Research Reports 928 (Paperback): Pudoc, Wageningen, The Netherlands. Price: Dfl17.00, US$6.80 (outside USA and Canada)

Tayler, R. S., (1986)

Grass: Its production and utilisation : Holmes, W. (Ed.), British Grassland Society and Blackwell Scientific Publications, 1980, 300 pp. Price: [pound sign]8[middle dot]50

Tayler, R. S., (1982)