Lithops : treasures of the veld : observations on the genus Lithops N.E.Br. /
Hammer, Steven A.
Barnhill, Christopher,1969-
British Cactus and Succulent Society.
[Ansty] : British Cactus and Succulent Society,
[2010]
Previous ed.: 1999.
Includes bibliographical references and index.
Lithops.