Autor:	Lavender, Tom, Tree, Bill, Tribble, Derek, Neville, David, Keen, Bill, Hughes, John, Sims, Rodney, Mace, Suzanne, Grantham, Keith, Hutchinson, David, Morris, Tony, Butler, Alan, Evans, Fred, Tree, Yvonne, Hollis, George
Zdroj:	British Cactus & Succulent Journal, 1993 Mar 01. 11(1), 5-10.
Databáze:	JSTOR Journals
Externí odkaz:	https://www.jstor.org/stable/42794360 Zobrazit plný text záznamu