LEEUW JJ DE (1995) Book reviews: Rose, P.M. ... (et al.), Population estimates, 1994. LIMOSA 68 (1): 39-40.

ROSE P. M. & SCOTT D. A. 1994. Waterfowl Population Estimates. IWRB Publication 29. Slimbridge, UK. 102 p. ISSN 0962.6271.

[free pdf] [dutch summary]