@article {Kawka1987,
	title = {{Survey of hydrothermally-generated petroleums from the Guaymas Basin spreading center}},
	journal = {Organic Geochemistry},
	volume = {11},
	number = {4},
	year = {1987},
	pages = {311{\textendash}328},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0146-6380},
	doi = {10.1016/0146-6380(87)90042-8},
	url = {http://dx.doi.org/10.1016/0146-6380(87)90042-8},
	author = {Kawka, O E and Simoneit, B R T}
}
