Orchid care a guide to cultivation and breeding /
Richter, Walter.
Launert, Edmund.
Hunt, P. Francis(Peter Francis)
Preusse, Hans.
London Studio Vista
1972
Translation of 'Orchideen: pflegen, vermehren, züchten'. Radebeul: Neumann, 1969
Bibliographyp.206-207. - Includes index
Orchid culture.