Beryllium content of American coals : contributions to geochemistry /

Autor Stadnichenko, Taisia, 1894-1958, Zubovic, Peter, 1915-, Sheffey, Nola B., 1929-1996
Vydáno 1961

Distribution of Minor Elements in Coal Beds of the Eastern Interior Region /

Autor Zubovic, Peter, 1915-, Stadnichenko, Taisia, 1894-1958, Sheffey, Nola B., 1929-1996
Vydáno 1964

Distribution of minor elements in some coals in the Western and Southwestern regions of the Interior coal province /

Autor Zubovic, Peter, 1915-, Stadnichenko, Taisia, 1894-1958, Sheffey, Nola B., 1929-1996
Vydáno 1967

Distribution of minor elements in coals of the Appalachian region /

Autor Zubovic, Peter, 1915-, Stadnichenko, Taisia, 1894-1958, Sheffey, Nola B., 1929-1996
Vydáno 1966

Geochemistry of Minor Elements in Coals of the Northern Great Plains Coal Province /

Autor Zubovic, Peter, 1915-, Stadnichenko, Taisia, 1894-1958, Sheffey, Nola B., 1929-1996
Vydáno 1961