Butterflies, moths, and other invertebrates of Costa Rica : a field guide / Carrol
L. Henderson ; with photographs by the author ; illustrations by Steve Adams ; foreword
by Daniel H. Janzen, cop. 2010
Information trouvée : en poste en zone de conservation de Guanacaste, Costa Rica
Internet, www.cirs-tm.org/, 2006-10-27
Information trouvée : Professor of Biology, Department of Biology, University of Pennsylvania, Philadelphia,
USA
Plant conservation : a natural history approach / edited by Gary A. Krupnick and W.
John Kress ; with a foreword by Daniel H. Janzen, 2005