Shermin de Silva*, Ashoka DG Ranjeewa and Sergey Kryazhimskiy*
* Corresponding authors: Shermin de Silva shermin@elephantresearch.net - Sergey Kryazhimskiy skryazhi@oeb.harvard.edu
BMC Ecology 2011, 11:17 doi:10.1186/1472-6785-11-17
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