Authors: Edward A G Schuur; Jason G Vogel; Kathryn G Crummer; Hanna Lee; James O Sickman; T E Osterkamp Journal: Nature Date: 2009-05-28 Impact factor: 49.962
Authors: Philip E Higuera; Linda B Brubaker; Patricia M Anderson; Thomas A Brown; Alison T Kennedy; Feng Sheng Hu Journal: PLoS One Date: 2008-03-05 Impact factor: 3.240