'This paper was presented to Section M of the British Association for the Advancement of Science at its annual meeting at the University of Surrey, September 1975'.
Cover title: The economic outlook for protected cropping in Britain.
The economic prospects for protected cropping in Britain by A. H. Gill. ISBN 0704901900. Published by University of Reading, Department of Agricultural Economics and Management in 1975. Publication and catalogue information, links to buy online and reader comments.