RT Journal Article SR Electronic T1 Toughening Up Elastomers JF Science JO Science FD American Association for the Advancement of Science SP 125 OP 125 DO 10.1126/science.344.6180.125-g VO 344 IS 6180 YR 2014 UL http://science.sciencemag.org/content/344/6180/125.7.abstract AB