Boneham, R.F., and Tailleur, I.L., 1972, Leiosphaeridia (Acritarcha) in the Mesozoic oil shales of northern Alaska, in U.S. Geological Survey, Geological survey research 1972, Chapter B: U.S. Geological Survey Professional Paper 800-B, p. B17-B19.
This publication is part of a larger work. Please see P 800-B for more information.
Paleontology