A journal paper
Standardized North American Marsh Bird Monitoring
Protocol
Author(s) :Courtney J. Conway
Source: Waterbirds, 34(3):319-346. 2011.
Published By: The Waterbird Society
DOI:
URL:
http://www.bioone.org/doi/full/10.1675/063.034.0307
http://www.bioone.org/doi/pdf/10.1675/063.034.0307