Citation: K. Laursen, HORIZONTAL DIVERSIFICATION IN THE DANISH NATIONAL SYSTEM OF INNOVATION - THE CASE OF PHARMACEUTICALS, Research policy, 25(7), 1996, pp. 1121-1137
Citation: Jc. Salvig et al., SURVEYS OF HUMAN ACTIVITIES AND THEIR EFFECTS ON NUMBERS AND DISTRIBUTIONS OF WATERFOWL IN THE DANISH WADDEN SEA, Ophelia, 1994, pp. 333-337