Structure and histochemistry of the epidermis of some freshwater fisches /
Live Free Or Die Hard / DVD 4
The Danish Girl /
Biology for living /
Biology for living. /
Some topics of biology. /
Survey of danish agriculture /
Perspectives on freshwater : issues and recommendations of NGO´s /
Atlas of marine zooplankton. Straits of Magellan. Copepods. /
The distribution patterns of fungi in free-living birds /
The Danish Atomic Energy Commission.
Freshwater Tropical Aquarium Fishes.
A guide to freshwater fish /
Freshwater recreational fishing. : The national benefits of water pollution control. /
Danish dairy & food industry-worldwide.
Pathogenic microorganisms associated with free-living birds (a review). /
Water Quality Criteria for Freshwater Fish.
Nematodes of freshwater fishes of the neotropical region. /
Some notes to the breeding biology of Larus Ridibundus /
The importance of aquatic-terrestrial ecotones for freshwater fish. /
Contributions to the biology of some danish free living freshwater copepods /