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Our data says that the document:

Derek, Byerlee. (1996) Modern varieties, productivity, and sustainability: Recent experience and emerging challenges.
In: World Development. RePEc:eee:wdevel:v:24:y:1996:i:4:p:697-718.

Full description at Econpapers

cites:

Francis, C.A. Contributions of plant breeding to future cropping systems. 1991 En : Plant Breeding and Sustainable Agriculture: Considerations for Objectives and Methods. Crop Science Society of America: Madison, WI

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