Lenardon, Sergio. "Partial nucleotide sequences of the genomes of maize dwarf mosaic virus (MDMV) strains A, D, E and F and their implication in the classification of potyviruses /." Doctoral dissertation, Ohio State University, 1993. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487846354483978Chicago Manual of Style (17th edition)