http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mississippian and Devonian paleontology and stratigraphy Quartz Spring Area
by R. L. Langenheim, Jr., and Herbert Tischler.
University of California publications in geological sciences ; v. 38, no. 2