Other authors are: Jay Quade, University of Arizona; Daniel Fisher, University of Michigan; George Wittemyer, Colorado State University; Iain Douglas-Hamilton, Save the Elephants; Samuel Andanje, Patrick Omondi and Moses Litoroh, Kenya Wildlife Service.
Check the following link to read/download the Full Study – “Bomb-curve Radiocarbon Measurement of Recent Biologic Tissues and Applications to Wildlife Forensics and Stable Isotope (paleo)Ecology”:
http://www.pnas.org/content/early/2013/06/26/1302226110.abstract
Source: The Earth Institute, Columbia University.