@article {Didyk1990,
	title = {{Petroleum characteristics of the oil in a Guaymas Basin hydrothermal chimney}},
	journal = {Applied Geochemistry},
	volume = {5},
	number = {1-2},
	year = {1990},
	pages = {29{\textendash}40},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0883-2927},
	doi = {10.1016/0883-2927(90)90033-2},
	url = {http://dx.doi.org/10.1016/0883-2927(90)90033-2},
	author = {Didyk, B M and Simoneit, B R T}
}
@article {Kawka1990,
	title = {{Polycyclic aromatic hydrocarbons in hydrothermal petroleums from the Guaymas Basin spreading center}},
	journal = {Applied Geochemistry},
	volume = {5},
	number = {1-2},
	year = {1990},
	pages = {17{\textendash}27},
	keywords = {HOV Alvin (Human Occupied Vehicle)},
	issn = {0883-2927},
	doi = {10.1016/0883-2927(90)90032-Z},
	url = {http://dx.doi.org/10.1016/0883-2927(90)90032-Z},
	author = {Kawka, O E and Simoneit, B R T}
}
