TY  - BOOK
AU  - Heckadon-Moreno,Stanley
TI  - Naturalists on the Isthmus of Panama: a hunderd years of Natura History on the biological bridge of the Americas 
SN  - 9962614074
U1  - 500.8 23
PY  - 2004///
CY  - Panama
PB  - Smithsonian Tropical Research Institute
ER  -