1. Germplasm resources and genetic improvement;Annamma Varghese,1992
2. Polyploidy and aneuploidy in guayule;Bergner;USDA Technol. Bull.,1946
3. The history of rubber;Bonner,1991
4. Possibility of the use of physiological parameters of latex in early selection;Bricard,1989
5. The efficacy of guayule resin as a pesticide;Bultman;Bioresour. Technol.,1991