Singular perturbations and a mapping on an interval for the forced Van der Pol relaxation oscillatorEJM Veling, J Grasman, H Nijmeijer31/12/1984Journal Article
Serogrouping of legionellae by slide agglutination test with monospecific seraDG Groothuis, HR Veenendaal, PL Meenhorst31/12/1984Journal Article
Rijn, Lek, Waal, IJssel en uiterwaarden onder invloed van ingrepen en verontreinigingenW Slooff31/12/1984Journal Article
Results of a FECS-WPFC Cooperative study on the determination of aflatoxin M1 at low levels in dried milkR Battaglia, HP Egmond, PL Schuller31/12/1984Journal Article
Removal of enteric viruses from surface water at eight waterworks in The NetherlandsM Olphen, JG Kapsenberg, E Baan, WA Kroon31/12/1984Journal Article
Relation between induction of rat heptic ornithine decarboxylase activity by tumor promoters 12-0-tetradecanoylphorbol-13-acetate and phenobarbital and levels of the polyamines putrescine, spermidine and spermine, in vivo; differential effect of retinyl-aLAA Rooijen, HJGM Derks, R Wijk, A Bisschop31/12/1984Journal Article