Stratigraphy of the Devonian Trimmers Rock in Eastern Pennsylvania / by Lawrence A. Frakes.Lawrence A. Frakes · First published 1967Open the Tome
Climate modes of the phanerozoicLawrence A. Frakes, Jane E. Francis, Jozef I. Syktus · First published 1992 · Latest edition 2005Open the Tome
Stratigraphy of the Devonian Trimmers Rock in eastern PennsylvaniaLawrence A. Frakes · First published 1967Open the Tome
