References
HARLAN Jack R., Crops and man, American Society of Agronomy, Madison 1975
REMPEL, Sharon. Demeter's Wheats. Growing Local Food and Community with traditional wisdom and heritage wheat. 2008. Grassroot Solutions, Victoria. B.C. www.grassrootsolutions.com
SCOTT, Jennifer. New Respect for Old Wheat. Reclaiming heritage varieties requires culinary as well as agricultural expertise. Rural Delivery, October, 2004. http://www.heliotrust.ca/projects/wheat/oldwheat.html
SYMKO, Stephan. Research Branch. Agriculture Canada. 1999. From a single seed, tracing the history of Marquis wheat success story in Canada to its roots in the Ukraine. http://www4.agr.gc.ca/AAFC-AAC/display-afficher.do?id=1181224838769#contents
WITCOMBE J. R.; JOSHI A; JOSHI K. D.; STHAPIT B. R. Farmer participatory crop improvement. I. Varietal selection and breeding methods and their impact on biodiversity. Experimental Agriculture (Exp. Agric.) 1996, vol. 32, no4, pp. 445–460 (19 ref.) http://cat.inist.fr/?aModele=afficheN&cpsidt=3249915
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