http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Mississippian rugose corals, Peratrovich Formation, west coast, Prince of Wales Island, southeastern Alaska
iv, 44 pages, 27 unnumbered pages : illustrations, maps. ; 29 cm.
"Systematic descriptions of the rugose corals and paleoecologic studies of the marine carbonate sediments."
Geological Survey professional paper ; 534