1. Determination of optimum time of fixation of floral buds in guayule for cytological study;Alcalá;El Guayulero,1988
2. Polyploidy and aneuploidy in guayule;Berguer;U.S. Department of Agriculture. Tech. Bull. 918,1946
3. Discussions in Cytogenetics;Burnham,1962
4. Biomass, rubber and resin yield potentials of new guayule germplasm;Estilai;Bioresource Technol.,1991
5. Genomic relationship of guayule with Parthenim Schottii;Estilai;Am. J. Bot.,1985