Bibliografía (3 obras)
'Precambrian Crustal Blocks in Minnesota Neodymium Isotope Evidence from Basement and Metasedimentary Rocks (Contributions to Precambrian Geology Of - 03-1904U)'
1996
Archaean geochemistry
1984
K-Ar ages for hornblende from granites and gneisses and for basaltic intrusives in Minnesota
1968
