REFERENCES
- Stroud, D.A. & Davidson, N.C. (eds) 2003) Catching and handling birds, and data: practical papers published in the Wader Study Group Bulletin, Wader Study Group Bulletin 69, Special Issue. International Wader Studies 6.
- Sutherland , W. J. 2000 . The Conservation Handbook: research, management and policy , USA : Blackwell Publishing Company .
- Sutherland , W. J. 2006 . A Handbook: ecological census techniques , Cambridge : Cambridge University Press .
- Sutherland , W. J. , Newton , I. and Green , R. 2004 . Bird Ecology and Conservation: a handbook of techniques , Oxford : Oxford University Press .