http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
[Prepared by Sam Cotner, Extension horticulturist; Jerry Parsons, Extension vegetable specialist; and Jerral Johnson, Extension plant pathologist].
"25M--2-87, Revision" -- Page 4 of cover.
Issued in cooperation with the United States Department of Agriculture.
B (Texas Agricultural Extension Service) ; 1397 [1987 Revision]