"This report was funded by the Delaware Coastal Programs Pursuant to United States National Oceanic and Atmospheric Administration Award No. NA170Z1117."
"February 2004."
The migration of red knots calidris canutus rufa and turnstone arenaria interpres passing through Delaware Bay in 2003. ISBN 9781908581112. Published by British Trust for Ornithology in 2004. Publication and catalogue information, links to buy online and reader comments.