TY - BOOK AU - Barnes,Kenneth Boyd TI - A method for determining the effective porosity of a reservoir-rock, T2 - Pennsylvania. State College. Mineral Industries Experiment Station. Bulletin 10 AV - TN871 .B3 PY - 1931/// CY - State College, Pa. PB - School of Mineral Industries KW - Petroleum KW - Storage N1 - Bibliography: p. 11-12 ER -