The Geological Society of America

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The Geological Society of America provides access to elements that are essential to the professional growth of earth scientists at all levels of expertise and from all sectors: academic, government, business, and industry.
Massive release of hydrogen sulfide to the surface ocean and atmosphere during intervals of oceanic anoxia
Lee R. Kump
Geology(2005), 33(5):397
http://dx.doi.org/10.1130/G21295.1

The Geological Society of America
The Geological Society of America
GeoScienceWorld
GeoScience World