Ellwood, B. B.; Watkins, N. D. (1976): Comparison of observed intrusive to extrusive ratios in Iceland and the Troodos Massif with results of experimental emplacement mode analysis of DSDP igneous rocks. American Geophysical Union, Washington, DC, United States, Journal of Geophysical Research, 81 (23, The nature of the oceanic crust), 4152-4156, georefid:1977-005226