New York : Springer, 1998

Boca Raton, Fla. : Lewis Publishers, 2000

Cambridge, U.K. ; New York, NY : Cambridge University Press, 2001

Madison, Wis. : American Society of Agronomy : Crop Science Society of America, 1984

Amsterdam ; New York : Elsevier, 1999
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Boulder, Colo. : Published by Westview Press for the American Association for the Advancement of Science, 1983

Cambridge : Cambridge University Press, 1999

San Diego : Academic Press, 1995

Cambridge ; New York : Cambridge University Press, 1997

Chichester [West Sussex] ; New York : Wiley, 1984