DIJK J VAN (1991) Remarkable reports: Meininger, P.J. (ed.), Birds of the wetlands in North-east Greece, spring 1987. LIMOSA 64 (2): 79-80.

MEININGER P. J. (ed.) 1990. Birds a/the wetlands in North-east Greece, spring 1987. WIWO-report 20, Zeist. 320 p.

[free pdf] [dutch summary]