Eutrophication in the Baltic Sea : present situation, nutrient transport processes, remedial strategies / por 172325 Hakanson, Lars, Bryhn, A. C.

Tools and criteria for sustainable coastal ecosystem management : examples from the baltic sea and other aquatic systems / por 172325 Hakanson, Lars, Bryhn, Andreas C.

Technology management and international business : internationalization of R&D and technology / por Granstrand, Ove, Hakanson, Lars, Sjolander, Soren