1. Ashmore MR , Bell JNB , Mimmack A. 1986 . Specifications of open-top chambers . In: Microclimate and plant growth in open-top chambers: proceedings of a workshop jointly organised by the Commission of the European Communities and the Kernforschungszentrum Karlsruhe, Freiburg, 17–19 September 1986 . Air Pollution Research Report 5 (EUR 11257) . Brussels : Commission of the European Communities . pp 126 – 130 .
2. Bell JNB , Ashmore MR. 1986 . Design and construction of open-top chambers and methods of filtration (equipment and cost) . In: Microclimate and plant growth in open-top chambers: proceedings of a workshop jointly organised by the Commission of the European Communities and the Kernforschungszentrum Karlsruhe, Freiburg, 17–19 September 1986 . Air Pollution Research Report 5 (EUR 11257) . Brussels : Commission of the European Communities . pp 44 – 56
3. Effects of Air Pollution on Crops in Developing Countries
4. An improved open-topped chamber for pollution studies on crop growth