@book{128495,
	author = {Schumacher, Dietmar and AAPG Hedberg Research Conference and Schumacher, Dietmar},
	title = {Hydrocarbon migration and its near-surface expression.},
	publisher = {American Association of Petroleum Geologists},
	year = {1996},
	series = {AAPG memoir},
	address = {Tulsa, Oklahoma}
}