Goss-Custard, J. D. (
1980) Feeding behavior of Redshank, 
Tringa totanus, and optimal foraging theory. In: 
Foraging behavior: Ecological, ethological, and psychological approaches, ed. 
Kamil, A. C. & 
Sargent, T. D., pp. 
115–33. 
New York: 
Garland Publishing Inc. [ACK]
Google Scholar