By Grant Isaac
By Herriot, James
By Paul Peacock
By Christian Ludwig, Stefanie Hellweg, Samuel Stucki
By Kerry F. Harris (Texas A&M University, College Station, U.S.A.), Oney P. Smith (Hood College, Frederick, Maryland, James E. Duffus (United States Department of Agriculture, Salinas, California)
By John R. August BVetMed MS MRCVS
By Atkinson, Patricia
By Food and Agriculture Organization of the United Nations
By E. Owen, A. Kitalyi, N. Jayasuirya, T. Smith
By John Farndon
By Sally Urwin
By Cristina C. David, David, Cristina C.
By Claude Culpin
By Prabhu Pingali, Mahabub Hossain, Roberta Gerpacio
By Julie M. Butler
By Val Porter
By Martyn Warren
By Michael Lipton, Richard Longhurst, Lipton, Michael, Longhurst, Richard
By Andrew S. Macdonald
By Anne Booth
By The Hunger Project
By Jeffery M. Paige, Paige, Jeffrey M.