http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Isozyme genotypes of sorghum lines and hybrids in the United States
K.F. Schertz, A. Stec, and J.F. Doebley.
Includes bibliographical references (pages 14-15).
Miscellaneous publication of the Texas Engineering Experiment Station ; MP-1719