%0 Journal Article %T New modified filler obtained by silica formed by sol–gel method on calcium carbonate %A Gamelas, José %A Lourenco, Ana %A Ferreira, Paulo %J Journal of Sol-Gel Science and Technology %V 59 %N 1 %P 25-31 %@ 0928-0707 %D 2011-04-09 %I Springer US %~ DeepDyve