"December 1992"--P. [2] of cover.Includes bibliographical references.Mode of access: Internet
"June 1998."Caption title.Includes bibliographical references (p. 6-7).Mode of access: Internet
"Technical report NPS/NRYELL/NRTR-93/XX"."April 1994."Includes bibliographical references.Mode of ac...
Cover title."Febaruary 1983."Chiefly tables.Bibliography: p. 15.Mode of access: Internet
"October 1998."Cover title.Includes bibliographical references.v. 1. Bangalore, India, October 1997....
Some papers were originally scheduled to be presented at the 1997 congress, which was postponed unti...
Some papers were originally scheduled to be presented at the 1997 congress, which was postponed unti...
"September 2000"--Cover.Includes bibliographical references.v. 1 Changing perspectives and future di...
"September 1993."Cover title.Includes bibliographical references (p. 29-33).Mode of access: Internet
"July 1986"--Cover."Conference sponsors: U.S. Department of the Interior, Bureau of Land Management,...
Updates Informing backcountry visitors (1981) and intended as a companion to Low-impact recreational...
Papers presented at a National Symposium on the Economics of Outdoor Recreation, New Orleans, La., N...
Cover title."April 1996."Includes bibliographical references (p. 10).Mode of access: Internet
"August 1990."Cover title.Includes bibliographical references (p. 11-12).Mode of access: Internet
"October 2000"--Cover.Includes bibliographical references (p. 173-174).Mode of access: Internet
"August 1987"--P. 2 of cover.Cover title.Bibliography: p. 55-60.Mode of access: Internet
"June 1998."Caption title.Includes bibliographical references (p. 6-7).Mode of access: Internet
"Technical report NPS/NRYELL/NRTR-93/XX"."April 1994."Includes bibliographical references.Mode of ac...
Cover title."Febaruary 1983."Chiefly tables.Bibliography: p. 15.Mode of access: Internet
"October 1998."Cover title.Includes bibliographical references.v. 1. Bangalore, India, October 1997....
Some papers were originally scheduled to be presented at the 1997 congress, which was postponed unti...
Some papers were originally scheduled to be presented at the 1997 congress, which was postponed unti...
"September 2000"--Cover.Includes bibliographical references.v. 1 Changing perspectives and future di...
"September 1993."Cover title.Includes bibliographical references (p. 29-33).Mode of access: Internet
"July 1986"--Cover."Conference sponsors: U.S. Department of the Interior, Bureau of Land Management,...
Updates Informing backcountry visitors (1981) and intended as a companion to Low-impact recreational...
Papers presented at a National Symposium on the Economics of Outdoor Recreation, New Orleans, La., N...
Cover title."April 1996."Includes bibliographical references (p. 10).Mode of access: Internet
"August 1990."Cover title.Includes bibliographical references (p. 11-12).Mode of access: Internet
"October 2000"--Cover.Includes bibliographical references (p. 173-174).Mode of access: Internet
"August 1987"--P. 2 of cover.Cover title.Bibliography: p. 55-60.Mode of access: Internet
"June 1998."Caption title.Includes bibliographical references (p. 6-7).Mode of access: Internet
"Technical report NPS/NRYELL/NRTR-93/XX"."April 1994."Includes bibliographical references.Mode of ac...
Cover title."Febaruary 1983."Chiefly tables.Bibliography: p. 15.Mode of access: Internet