Ente

Monografia (1955) Proceedings of the International conference on coordination compounds 1955 : held under the auspices of the koninklijke Nederlandse Chemische Vereniging, April 28th–May 3rd, Amsterdam
Monografia (1957) Joint symposium the scaling–up of chemical plant and processes : held at Church House, London, on 28 and 29 May 1957
Monografia (1958) Proceedings of the second symposium organized by the Gas Chromatography Discussion Group under the auspices of the Hydrocarbon Research Group of the Institute of Petroleum and the Koninklijke Nederlandse Chemische Vereniging held at the Royal Tropical Institute, Amsterdam, 19–23 May
Monografia (1962) Molecular spectroscopy : general and introductory lectures presented at the fifth European Congress on molecular spectroscopy held in Amsterdam, The Netherlands, May 29th–June 3rd, 1961