scientific article published on 19 October 2007
author: Jonathan Crabtree, Linda Hannick, Jennifer R Wortman, Ian T. Paulsen, Vishvanath Nene, Lowell S Kappmeyer, Hoda Khouri, Qinghu Ren, Brian J Haas, Owen White, Hean L. Koo, Carlos E Suarez, Donald P Knowles, David R Herndon