1. Separation of Source-Separated Domestic Waste;Kox;Reports MT-TNO 81-07012 and 81-07011,1981
2. The Twin-container Project: Aim, Plan and Execution, Pamphlet;IVA,1983
3. Waste, Take out the Best;County Den Bosch,1983
4. Trial project Separation at Source of Domestic Waste at Groningen 1981–1982;Groningen, public cleansing department,1983
5. Papers of the Symposium: Markets for Components from Household Waste,1983