Tan,A.G. Chemical analysis of penetration and distribution of preservatives in poplar,beech and rubberwood = Chemisch onderzeok naar de indringing en verdeling van beschuttingsmiddelen in populieren-,beuken- en rubber-hout (Thesis) - 1977 - 70p. 29cm. Universal Decimal Class. No.: 634.0.84(043) TAN/140B / 8652