Economie en de milieupraktijk. Verslag van de studiedag op 13 mei van de PSG Milieu & EconomieFJ Duijnhouwer, RJM Maas20/01/1994Journal Article
Cloning and molecular analysis of the galE gene of Neisseria meningitidis and its role in lipopolysaccharide biosynthesisMP Jennings, P Ley, KE Wilks, DJ Maskell, JT Poolman, ER Moxon13/01/1994Journal Article
Molecular characterization of the 98-kilodalton iron-regulated outer membrane protein of Neisseria meningitidisA Pettersson, P Ley, JT Poolman, J Tommassen13/01/1994Journal Article
Toxic effects of pollutants on the mineralization of acetate in methanogenic river sedimentPLA Vlaardingen, P Beelen13/01/1994Journal Article
UVB suppresses imunity and resistance against systemic infections in the rat [Abstract]W Goettsch, F Gruyl, H Loveren13/01/1994Journal Article
Heavy-metal adaptation in terrestrial invertebrates. A review of occurrence, genetics, physiology and ecological consequencesL Posthuma, NM Straalen12/01/1994Journal Article