'The symposium was organized by the National Institute of Public Health (Rijks Instituut voor de Volksgezondheid) in Bilthoven' - Foreword.
Automatic air quality monitoring systems : proceedings of the conference held at the National Institute of Public Health, Bilthoven, The Netherlands, 5-8 June, 1973. ISBN 0444412026. Published by Elsevier in 1974. Publication and catalogue information, links to buy online and reader comments.