The Geological Society of America

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Oxygen isotope variation in the tusks of extinct proboscideans: A measure of season of death and seasonality
Paul L. Koch
Geology(1989), 17(6):515
http://dx.doi.org/10.1130/0091-7613(1989)017<0515:OIVITT>2.3.CO;2

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