Authors: Xiaopeng Hu; Sohail Malik; Costin Catalin Negroiu; Kyle Hubbard; Chidambaram Natesa Velalar; Brian Hampton; Dan Grosu; Jennifer Catalano; Robert G Roeder; Averell Gnatt Journal: Proc Natl Acad Sci U S A Date: 2006-06-12 Impact factor: 11.205