Authors: Kent R Shirer; Abigail C Shockley; Adam P Dioguardi; John Crocker; Ching H Lin; Nicholas apRoberts-Warren; David M Nisson; Peter Klavins; Jason C Cooley; Yi-feng Yang; Nicholas J Curro Journal: Proc Natl Acad Sci U S A Date: 2012-09-24 Impact factor: 11.205