PETM One theory Paleocene-Eocene Thermal Maximum (PETM) http://en.wikipedia.org/wiki/PETM http://en.wikipedia.org/wiki/PETM http://en.wikipedia.org/wiki/PETM PETM Paleocene-Eocene Thermal Maximum PETM Paleocene-Eocene Thermal Maximum (PETM) PETM http://en.wikipedia.org/wiki/PETM Paleocene-Eocene Thermal Maximum (PETM) One theory http://en.wikipedia.org/wiki/PETM Paleocene-Eocene Thermal Maximum wikipedia writes Paleocene-Eocene Thermal Maximum Paleocene-Eocene Thermal Maximum Paleocene-Eocene Thermal Maximum Paleocene-Eocene Thermal Maximum (PETM) Paleocene-Eocene Thermal Maximum PETM One theory Paleocene–Eocene Thermal Maximum Paleocene-Eocene Thermal Maximum Paleocene-Eocene Thermal Maximum Paleocene-Eocene Thermal Maximum en:PETM PETM extinction event Paleocene-Eocene Thermal Maximum (PETM) Paleocene-Eocene Thermal Maximum Paleocene-Eocene Thermal Maximum (PETM) http://en.wikipedia.org/wiki/PETM PETM PETM Paleocene-Eocene Thermal Maximum PETM Paleocene-Eocene Thermal Maximum (PETM) PETM One theory Paleocene-Eocene Thermal Maximum One theory PETM Paleocene-Eocene Thermal Maximum (PETM) Paleocene-Eocene Thermal Maximum (PETM) http://en.wikipedia.org/wiki/PETM en:PETM PETM http://en.wikipedia.org/wiki/PETM http://en.wikipedia.org/wiki/PETM paleoclimate