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The problem of bore-holes

Published online by Cambridge University Press:  24 April 2009

George S. Cansdale
George S. Cansdale
Affiliation:
SWS Filtration Ltd, Great Chesterford, Saffron Walden, Essex, UK.
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Type
Letters
Information
Oryx , Volume 20 , Issue 3 , July 1986 , pp. 182 - 183
Copyright
Copyright © Fauna and Flora International 1986