@article {Karson1987a,
	title = {{Evidence for variations in magma production along spreading centers: a critical appraisal}},
	journal = {Geology},
	volume = {15},
	number = {2},
	year = {1987},
	pages = {127{\textendash}131},
	issn = {0091-7613},
	doi = {10.1130/0091-7613(1987)15<127:EFVIMP>2.0.CO;2},
	url = {http://dx.doi.org/10.1130/0091-7613(1987)15{\%}3C127:EFVIMP{\%}3E2.0.CO 2},
	author = {Karson, J A and Elthon, D L}
}
