Geology of the west-central part of the southern anthracite field and adjoining areas, Pennsylvania /

di Wood, Gordon H., Trexler, J. Peter., Kehn, Thomas M.
Pubblicazione 1969.

CRYSTMET—The NRCC Metals Crystallographic Data File

di Wood, Gordon H., Rodgers, John R., Gough, S. Roger, Villars, Pierre
Pubblicato in J Res Natl Inst Stand Technol (1996)