Tim W. Yam books & textbook
Orchids Magazine - The Bulletin of the American Orchid Society: Cattleya Warscewiczii; Magnificent Mokaras; Making Coconut Pots; a Colombian Jewel a New Species of Cynoches; in Pursuit of Perfect Pasphiopedilums (Vol. 68, No. 6 June 1999)
A. A. Chadwick Tim W. Yam Aung Thame Vladimir Parpura George Carr
American Orchid Society /1999T Journal
