“Temporal and spatial variability of hydrothermal manganese and iron at Cleft segment, Juan de Fuca Ridge”, Journal of Geophysical Research, vol. 99, pp. 4905–4923, 1994.
, “Observations of manganese and iron at the CoAxial seafloor eruption site, Juan de Fuca Ridge”, Geophysical Research Letters, vol. 22, pp. 151–154, 1995.
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