Cowan (1995), Cowan and Marneweck (1996), Farkas (1962, 1966), Mayer (1973), McAllister (1986), Milstein (1968, 1970a,b,c, 1975), Shewell (1959), Skead (1977), Skead and Dean (1977).
Further resources
Recommended citation
BirdLife International (2021) Important Bird Areas factsheet: Barberspan and Leeupan. Downloaded from
http://www.birdlife.org on 22/01/2021.