1984 With M. A. Saghai Maroof, R. A. Jorgensen, and K. Soliman. Ribosomal DNA (rDNA) spacer-length (sl) variation in barley: Mendelian inheritance, chromosomal location, and population dynamics. Proc. Natl. Acad. Sci. U. S. A. 81:8014-1018.
1987 With D. B. Wagner, G. K. Furnier, M. A. Saghai Maroof, S. M. Williams, and B. P. Dancik. Chloroplast DNA polymorphisms in lodgepole and jack pines and their hybrids. Proc. Natl. Acad. Sci. U. S. A. 84:2097-2100.
With Q. Zhang and R. K. Webster. Geographical distribution and associations between resistance to four races of Rhynchosporium secalis. Phytopathology 77:352-357
1989 With B. K. Epperson. Spatial autocorrelation analysis of the distribution of genotypes within populations of lodgepole pine. Genetics 121:369-377.
With P. Garcia, F. J. Vences and M. Perez de la Vega. Allelic and genotypic composition of ancestral Spanish and colonial Californian gene pools of Avena barbata: Evolutionary implications. Genetics 122:687-694
1991 With D. B. Wagner. Pollen migration in predominantly self-fertilizing plants: Barley. J. Hered. 32:302-304
1999 Principles of Plant Breeding. 2nd ed. New York: Wiley.