Duc, N. A., N. H. Ngoc, and N. L. Anh. “Building Porosity Model of Fractured Basement Reservoir Based on Integrated Seismic and Well Data in Hai Su Den Field, Cuu Long Basin”. Petrovietnam Journal, Vol. 6, June 2014, pp. 11-19, http://tapchidaukhi.vn/index.php/TCDK/article/view/569.