Citation:
Brennan, L.A., J.B. Buchanan, C.T. Schick, S.G. Herman, and T.M. Johnson. 1984. Sex determination of Dunlins in winter plumage. Journal of Field Ornithology 55: 343-348.
Link:
http://www.jstor.org/stable/4512917?seq=1#page_scan_tab_contents