Smart and Just Grids for sub-Saharan Africa: Exploring options - Welsch,M; Bazilian,M; Howells,M; Divan,D; Elzinga,D; Strbac,G; Jones,L; Keane,A; Gielen,D; Balijepalli,VSKM; Brew-Hammond,A; Yumkella,K (RENEWABLE & SUSTAINABLE ENERGY REVIEWS, 2013)