Birkan, M., Vessem, J. V., Havet, P.
, Madsen, J., Trolliet, B., Moser, M. (red.), Birkan, M. (red.), Vessem, J. V. (red.), Havet, P. (red.), Madsen, J. (red.), Trolliet, B. (red.) & Moser, M. (red.) (1996).
Anatidae 2000: An International Conference on the Conservation, Habitat Management and Wise Use of Ducks, Geese and Swans, 5-9 December 1994, Strasbourg, France.
Pihl, S., Laursen, K., Birkan, M. (red.), Vessem, J. V. (red.), Havet, P. (red.), Madsen, J. (red.), Trolliet, B. (red.) & Moser, M. (red.) (1996).
A Reestimation of Western Palearctic Wintering Seaduck Numbers from the Baltic Sea 1993 Survey.
Gibier Faune Sauvage,
13(2), 191-199.
Booij, C. J. H.
, Topping, C. J., Szysko, J., Van Dijk, T., Paoletti, M. & Helenius, J. (1996).
Assessment of Survival and Mortality Factors in Field Populations of Beneficial Arthropods.
Acta Jutlandica,
71(2), 69-78.
Smit, M. D., Leonards, P. E. G.
, Madsen, A. B., van Hattum, B. G. M., Murk, A. J. & de Jongh, A. W. J. J. (1996).
Bioaccumulation of PCB's in Danish Otter Habitats. I M. D. Smit, P. E. G. Leonards, A. J. Murk, A. W. J. J. de Jongh & B. G. M. van Hattum (red.),
Development of Otter-Based Quality Objectives for PCB's (s. 7-31). Institute for Environmental Studies, Amsterdam.
