@article {Machado1982,
	title = {{Fine-scale isotopic heterogeneity in the sub-Atlantic mantle}},
	journal = {Nature},
	volume = {295},
	number = {5846},
	year = {1982},
	pages = {226{\textendash}228},
	issn = {0028-0836},
	doi = {10.1038/295226a0},
	url = {http://dx.doi.org/10.1038/295226a0},
	author = {Machado, N and Ludden, J N and Brooks, C and Thompson, G}
}
