Chemistry and toxicology of paints / D.M.W. Elskamp Syntheses and toxicities of some series of choline-sterase inhibiting agents... / H.L. Boter ; uitg. R.V.O./T.N.O. Chemisch Laboratorium Isolation of active fractions from Manzanilla latex / B.P. Timmer ; uitg. R.V.O./T.N.O. Chemisch Laboratorium rapport Skin penetration and decontamination in man and animals / D.M.W. Elskamp, C.A.M. Verzantvoort and E.M. Cohen
