PIERSMA T (1992) Boekbespreking: Davidson, N.C. ... (et al.), Nature conservation and estuaries in Great Britain, 1991. LIMOSA 65 (1): 36-36.

DAVIDSON N. C., D'A. LAFFOLEY D., DOODY J. P., WAY L. S., KEY R., DRAKE C. M., PIENKOWSKI M. W., MITCHELL R. & DUFF K. L. 1991. Nature conservation and estuaries in Great Britain. Nature Conservancy Council, Peterborough. 422 p. ISBN 0.86139.708.8.

[gratis pdf] [english summary]