Distributed to depository libraries in microfiche.Bibliography: p. 16-17.Mode of access: Internet
"May 1985."Distributed to depository libraries in microfiche.Caption title.Bibliography: p. 18.Mode ...
"April 1985."Distributed to depository libraries in microfiche.Caption title.Bibliography: p. 3.Mode...
"January 1985."Distributed to depository libraries in microfiche.Bibliography: p. 22.Mode of access:...
Issued Mar. 1979.Cover title.Includes bibliographical references (p. 8)Mode of access: Internet
"February 1987"--T.p. verso.Distributed to depository libraries in microfiche.Bibliography: p. 9.Mod...
Distributed to depository libraries in microfiche.Cover title.Bibliography: p. 18.Mode of access: In...
"September 1989."Distributed to depository libraries in microfiche.Cover title.Includes bibliographi...
Distributed to depository libraries in microfiche.Bibliography: p. 8.Mode of access: Internet
Distributed to depository libraries in microfiche.Includes bibliographical references (p. 33-34).Mod...
"August 1986."Distributed to depository libraries in microfiche.Cover title.Bibliography: p. 12.Mode...
"July 1991.""This Research Note supersedes Research Note RM-326."Distributed to depository libraries...
"October 1990."Distributed to depository libraries in microfiche.Cover title.Mode of access: Interne...
"July 1983."Distributed to depository libraries in microfiche.Caption title.Includes bibliographical...
"April 1986."Distributed to depository libraries in microfiche.Bibliography : p. 11.Mode of access: ...
Distributed to depository libraries in microfiche.Bibliography: p. 5.Mode of access: Internet
"May 1985."Distributed to depository libraries in microfiche.Caption title.Bibliography: p. 18.Mode ...
"April 1985."Distributed to depository libraries in microfiche.Caption title.Bibliography: p. 3.Mode...
"January 1985."Distributed to depository libraries in microfiche.Bibliography: p. 22.Mode of access:...
Issued Mar. 1979.Cover title.Includes bibliographical references (p. 8)Mode of access: Internet
"February 1987"--T.p. verso.Distributed to depository libraries in microfiche.Bibliography: p. 9.Mod...
Distributed to depository libraries in microfiche.Cover title.Bibliography: p. 18.Mode of access: In...
"September 1989."Distributed to depository libraries in microfiche.Cover title.Includes bibliographi...
Distributed to depository libraries in microfiche.Bibliography: p. 8.Mode of access: Internet
Distributed to depository libraries in microfiche.Includes bibliographical references (p. 33-34).Mod...
"August 1986."Distributed to depository libraries in microfiche.Cover title.Bibliography: p. 12.Mode...
"July 1991.""This Research Note supersedes Research Note RM-326."Distributed to depository libraries...
"October 1990."Distributed to depository libraries in microfiche.Cover title.Mode of access: Interne...
"July 1983."Distributed to depository libraries in microfiche.Caption title.Includes bibliographical...
"April 1986."Distributed to depository libraries in microfiche.Bibliography : p. 11.Mode of access: ...
Distributed to depository libraries in microfiche.Bibliography: p. 5.Mode of access: Internet
"May 1985."Distributed to depository libraries in microfiche.Caption title.Bibliography: p. 18.Mode ...
"April 1985."Distributed to depository libraries in microfiche.Caption title.Bibliography: p. 3.Mode...
"January 1985."Distributed to depository libraries in microfiche.Bibliography: p. 22.Mode of access:...