Bezoek aan F.O.A. (Försvarets Forsknings Anstalt), Dpt. 4, Sundbyberg, Zweden en aan het Noorse Defensie Laboratorium voor Mikrobiologie te Oslo op resp. 20 en 21 … report optical aerosol concentration-meter... : A sensitive light transmission meter / L.A. Clarenburg Properties of uvre mutants of Escherichia coli K12... / I.E. Mattern and P.C. Houtman Organophosphorus compounds : Derivation of the molecular rotation ... / H.L. Boter / RVO/TNO. Chemisch Laboratorium Synthesis and properties of model compounds for the active... : II. synthesis of glycyl...ethylesters / A. van de Linde ; uitg. RVO/TNO Chemisch Laboratorium Chemistry and toxicology of paints / D.M.W. Elskamp Transcription of bacteriophage Mu : an analysis of the transcription pattern in the early phase of phage development / C. Wijffelman and P. van de … Optical aerosol concentration-meter with an iso-kinetic sampler / L.A. Clarenburg en L.H. Princen ; uitg. RVO/TNO Chemisch Laboratorium Semi automatic determination of numbers of particles... / L.A. Clarenburg en C.J.P. van Buijtenen ; uitg. RVO/TNO Chemisch Laboratorium Multilayer adsorption on carbon adsorbents / J.G.T. van Aken Review of the medical problems encountered in deep sea diving / E. Meeter efficiency of electrostatic air filters in a SPF rat breeding unit / J.L.F. Gerbrandy, D. van der Waay and H.C. Bartlema