Biblio
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“Vegetable gardening in Oregon”, Oregon State University, Extension Service, 2005.
, “Cabbage and crucifer plants”, in S.H. Katz (ed.) Encyclopedia of Food and Culture, Charles Scribner's Sons, 2003.
, “Origin, history and genetic improvement of the snap pea (Pisum sativum L.)”, Plant Breeding Reviews, vol. 21, pp. 93-138, 2001.
, “Tomorrow’s snap bean cultivars”, Bean Research, Production and Utilization: Proceedings of the Workshop on 75 Years of Bean Research and Development. University of Idaho Press, Moscow, pp. 39-52, 2000.
, “Improvement of snap bean”, in Common bean improvement in the twenty-first century, Springer, 1999, pp. 289–329.
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