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 report optical aerosol concentration-meter... : A sensitive light transmission meter / L.A. Clarenburg 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 Phosphorescence microscopy : a simple automatic counting device for phosphorescent particles / C.J.P. van Buijtenen and L.A. Clarenburg ; uitg. R.V.O./T.N.O. Chemisch Laboratorium apparatus for the automatic determination of the penetration time / F.H. Meppelder ; uitg. R.V.O./T.N.O. Chemisch Laboratorium preparation of some diethyl substituted phenyl phosphates / P.R. Avis and H.L. Boter ; uitg. R.V.O./T.N.O. Chemisch Laboratorium Syntheses and toxicities of some series of choline-sterase inhibiting agents... / H.L. Boter ; uitg. R.V.O./T.N.O. Chemisch Laboratorium Separation of imidazole and its N-methyl derivatives on polyamide thin layers / A. Verweij ; uitg. R.V.O./T.N.O. Chemisch Laboratorium Concentrating dilute aerosols by electrostatic methods / J.F. van der Wal ; uitg. R.V.O./T.N.O. Chemisch Laboratorium resolution of some O-alkyl hydrogen methylphosphonothioates / H.L. Boter ; uitg. R.V.O./T.N.O. Chemisch Laboratorium
