APED. Advances in Petroleum Exploration and Development - 2014
v. 7 : no. 1 (2014: Mar. 31)
v. 7 : no. 2 (2014: June 30)
v. 8 : no. 1 (2014: Sept. 30)
v. 8 : no. 2 (2014: Dec. 31)