Medellin, Rodrigo A + Sparrow, Helen R., et al books & textbook
MAMMAL DIVERSITY AND CONSERVATION IN THE SELVA LACANDONA, CHIAPAS, MEXICO + TECHNQUES AND GUIDELINES FOR MONITORING NEOTROPICAL BUTTERFLIES [2 PAPERS]
Medellin, Rodrigo A + Sparrow, Helen R., et al
Conservation Biology /1994T Pamphlet
