Natland, James H.; Melson, W. G.; O'Hearn, T. (1983): Production of uniform lava compositions of spreading ridges; result of magma mixing or a thermal cusp? Evidence from the Costa Rica Rift. American Geophysical Union, Washington, DC, United States, In: Anonymous, American Geophysical Union; 1983 spring meeting, 64 (18), 332, georefid:1985-028775