Authors: Keith W Kintigh; Jeffrey H Altschul; Mary C Beaudry; Robert D Drennan; Ann P Kinzig; Timothy A Kohler; W Fredrick Limp; Herbert D G Maschner; William K Michener; Timothy R Pauketat; Peter Peregrine; Jeremy A Sabloff; Tony J Wilkinson; Henry T Wright; Melinda A Zeder Journal: Proc Natl Acad Sci U S A Date: 2014-01-21 Impact factor: 11.205