The Darwin technical manual for botanic gardens /
Leadlay, Etelka.
Greene, Jane.
Botanic Gardens Conservation International.
International Botanic Gardens Conservation Congress(5th :1998 :Kirstenbosch, South Africa)
London : Botanic Gardens Conservation International,
1998.
"Fifth International Botanic Gardens Conservation Congress."
Includes bibliographical references (p. 136).
Botanical gardens
Botanical gardens