TY - RPRT TI - Origin and migration of hydrocarbon gases and carbon dioxide, Bekes Basin, southeastern Hungary AU - J.L. Clayton AU - C. W. Spencer AU - I. Koncz AU - A. Szalay PY - 1990 DO - 10.1016/0146-6380(90)90002-h UR - https://pubs.usgs.gov/publication/70016432 ID - 70016432 ER -