http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Monitoring bird populations by point counts
Symposium on Monitoring Bird Population Trends by Point Counts (1991 : Beltsville, Md.)
1 online resource (iv, 181 pages) : illustrations, maps
technical editors, C. John Ralph, John R. Sauer, Sam Droege.
"Reprinted April 1997"--Page 2 of cover.
Includes in part papers presented at the Symposium on Monitoring Bird Population Trends by Point Counts, held November 6-7, 1991 in Beltsville, Maryland, in response to the need for standardization of methods to monitor bird populations by point counts.
Includes bibliographical references (pages 177-181).