%0 Journal Article %A Wykes M. %A Su N.Q. %A Xu X. %A Adamo C. %A Sancho-García J.C. %T Double hybrid functionals and the Π-system bond length alternation challenge: Rivaling accuracy of Post-HF methods %D 2015 %U http://hdl.handle.net/20.500.12614/1170 %~