World plant conservation: Bibliography.
Kew: Royal Botanic Gardens, 1990. Octavo, paperback,
Very comprehensive bibliographical reference to international, national and local literature on plant conservaton - over 10,000 references.
Kew: Royal Botanic Gardens, 1990. Octavo, paperback,
Very comprehensive bibliographical reference to international, national and local literature on plant conservaton - over 10,000 references.