%0 Journal Article %T Application of Artificial Neural Network in Simulation of Supercritical Extraction of Valerenic Acid from Valeriana officinalis L. %A Amir Rabiee Kenaree %A Shohreh Fatemi %J ISRN Chemical Engineering %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/572421 %U http://dx.doi.org/10.5402/2012/572421