Indian:
Jacinto, G. S. and van den Berg, C. M. G., 1989. Different behavior of platinum
in the Indian and Pacific Oceans. Nature 338: 332-334.
Atlantic:
Colodner, D. C., Boyle, E. A., and Edmond, J. M., 1993. Determination of
rhenium and platinum in natural waters and sediments, and iridium in sediments
by flow injection isotope dilution inductively coupled plasma mass
spectrometry. Anal. Chem. 65: 1419-1425.