APED. Advances in Petroleum Exploration and Development - 2017
v. 13 : no. 1 (2017: Mar. 31)
v. 13 : no. 2 (2017: June 30)
v. 14 : no. 1 (2017: Sept. 30)
v. 14 : no. 2 (2017: Dec. 31)