Publication date stamped on cover."B-114824.""RED-76-91."Cover title.Mode of access: Internet
Cover title."May 1993"--P. i.Includes bibliographical references (p. 21-22).Mode of access: Internet
Stamped on cover: Nov. 1, 1976."B-159652.""ID-76-65."Cover title.Bibliography: p. 28.Mode of access:...
Reproduced from type-written copy.At head of title: United States Dept. of agriculture, Bureau of ag...
Publication date stamped on cover."B-114824.""RED-76-6."Cover title.Mode of access: Internet
"B-20238"--Prelim. p."CED-81-75""April 10, 1981."Cover title.Includes bibliographical references.Mod...
Publication date stamped on cover."B-133192.""RED-76-2."Cover title.Mode of access: Internet
Stamped on cover: April 25, 1977."B-114824.""CED-77-57."Cover title.Includes bibliographical referen...
Cover title."B-103987, 180228.""FPCD-77-17."Publication date stamped on cover.Mode of access: Intern...
At head of title: United States Department of agriculture. Agricultural research administration. Off...
Publication date stamped on t.p."B-159652.""ID-76-2."Abstract on t.p.Cover title.Includes bibliograp...
"GAO-04-517.""June 2004."Cover title.Includes bibliographical references.Mode of access: Internet
Publication date stamped on cover."RED-75-320."Cover title.Mode of access: Internet
Sept. 20, 1979."B-114833.""CED-79-109."Includes bibliographical references.Mode of access: Internet
Publication date stamped on cover."RED-75-325."Cover title.Mode of access: Internet
"B-114833"--Prelim. p."RED-75-375."Publication date stamped on cover.Cover title.Includes bibliograp...
Cover title."May 1993"--P. i.Includes bibliographical references (p. 21-22).Mode of access: Internet
Stamped on cover: Nov. 1, 1976."B-159652.""ID-76-65."Cover title.Bibliography: p. 28.Mode of access:...
Reproduced from type-written copy.At head of title: United States Dept. of agriculture, Bureau of ag...
Publication date stamped on cover."B-114824.""RED-76-6."Cover title.Mode of access: Internet
"B-20238"--Prelim. p."CED-81-75""April 10, 1981."Cover title.Includes bibliographical references.Mod...
Publication date stamped on cover."B-133192.""RED-76-2."Cover title.Mode of access: Internet
Stamped on cover: April 25, 1977."B-114824.""CED-77-57."Cover title.Includes bibliographical referen...
Cover title."B-103987, 180228.""FPCD-77-17."Publication date stamped on cover.Mode of access: Intern...
At head of title: United States Department of agriculture. Agricultural research administration. Off...
Publication date stamped on t.p."B-159652.""ID-76-2."Abstract on t.p.Cover title.Includes bibliograp...
"GAO-04-517.""June 2004."Cover title.Includes bibliographical references.Mode of access: Internet
Publication date stamped on cover."RED-75-320."Cover title.Mode of access: Internet
Sept. 20, 1979."B-114833.""CED-79-109."Includes bibliographical references.Mode of access: Internet
Publication date stamped on cover."RED-75-325."Cover title.Mode of access: Internet
"B-114833"--Prelim. p."RED-75-375."Publication date stamped on cover.Cover title.Includes bibliograp...
Cover title."May 1993"--P. i.Includes bibliographical references (p. 21-22).Mode of access: Internet
Stamped on cover: Nov. 1, 1976."B-159652.""ID-76-65."Cover title.Bibliography: p. 28.Mode of access:...
Reproduced from type-written copy.At head of title: United States Dept. of agriculture, Bureau of ag...