http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
use and interchangeability of fuels in Pennsylvania
iii, 46 pages : maps, diagrams, tables. ; 27 cm.
[by] W. Gibson Jaworek and John J. Schanz, Jr.
"This study was the basis for the doctoral dissertation submitted by W. Gibson Jaworek under the supervision of John J. Schanz, Jr."
Bulletin (Pennsylvania State University. Earth and Mineral Sciences Experiment Station) ; 74