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'... a conference entitled "The Functions of Living Plant Collections in Conservation and Conservation-Orientated Research and Public Education", held at the Royal Botanic Gardens, Kew from the 2nd to the 6th September 1975 ...' - Preface.
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Conservation of threatened plants. ISBN 0306328011. Published by Plenum Press for NATO Scientific Affairs Division in 1976. Publication and catalogue information, links to buy online and reader comments.