@article{136268, author = {Keith, Brian D.}, url = {http://library.usi.edu/record/136268}, title = {The Trenton group (Upper Ordovician series) of eastern North America : deposition, diagenesis, and petroleum /}, publisher = {American Association of Petroleum Geologists,}, recid = {136268}, pages = {317 p. :}, address = {Tulsa, Okla., U.S.A. :}, year = {1989}, }