"October 1978."Cover title.Includes bibliographical references (pages 113-115).Mode of access: Internet
"September 1977."Cover title.Includes bibliographical references (page 18).Mode of access: Internet
"October 1979."Cover title.Includes bibliographical references.Mode of access: Internet
"January 1981."Cover title.Includes bibliographical references (page 17).Mode of access: Internet
"June 1978."Cover title.Includes bibliographical references (pages 44-48).Mode of access: Internet
"August 1977."Includes bibliographical references (p. 40-42).Mode of access: Internet
Issued July 1977.Cover title.Includes bibliographical references (pages 68-69).Mode of access: Inter...
Prepared for U.S. Army Engineer Division, North Central, Chicago, Ill.Cover title.Includes bibliogra...
"Prepared for U.S. Army Engineer Division, North Central, Chicago, Ill."Cover title.Includes bibliog...
"January 1981."Cover title.Includes bibliographical references (page 15).Mode of access: Internet
"October 1977."Includes bibliographical references (pages 54-56).Mode of access: Internet
Prepared for U.S. Army Engineer Division, North Central, Chicago, Illinois.Includes bibliographical ...
"January 1981."Cover title.Includes bibliographical references (pages 39-41).Mode of access: Interne...
"January 1981."Cover title.Includes bibliographical references.Mode of access: Internet
"January 1977."Includes bibliographical references (pages 56-57).Mode of access: Internet
"August 1982.""Final report."Cover title.Includes bibliographical references (pages 42-43).Mode of a...
"September 1977."Cover title.Includes bibliographical references (page 18).Mode of access: Internet
"October 1979."Cover title.Includes bibliographical references.Mode of access: Internet
"January 1981."Cover title.Includes bibliographical references (page 17).Mode of access: Internet
"June 1978."Cover title.Includes bibliographical references (pages 44-48).Mode of access: Internet
"August 1977."Includes bibliographical references (p. 40-42).Mode of access: Internet
Issued July 1977.Cover title.Includes bibliographical references (pages 68-69).Mode of access: Inter...
Prepared for U.S. Army Engineer Division, North Central, Chicago, Ill.Cover title.Includes bibliogra...
"Prepared for U.S. Army Engineer Division, North Central, Chicago, Ill."Cover title.Includes bibliog...
"January 1981."Cover title.Includes bibliographical references (page 15).Mode of access: Internet
"October 1977."Includes bibliographical references (pages 54-56).Mode of access: Internet
Prepared for U.S. Army Engineer Division, North Central, Chicago, Illinois.Includes bibliographical ...
"January 1981."Cover title.Includes bibliographical references (pages 39-41).Mode of access: Interne...
"January 1981."Cover title.Includes bibliographical references.Mode of access: Internet
"January 1977."Includes bibliographical references (pages 56-57).Mode of access: Internet
"August 1982.""Final report."Cover title.Includes bibliographical references (pages 42-43).Mode of a...
"September 1977."Cover title.Includes bibliographical references (page 18).Mode of access: Internet
"October 1979."Cover title.Includes bibliographical references.Mode of access: Internet
"January 1981."Cover title.Includes bibliographical references (page 17).Mode of access: Internet