Manganotantalite from the Alto do Giz area, Equador, Rio Grande do Norte, Brazil, George W. Robinson, John A. Jaszczak, Reinhard R. Wegner, Owen P. Mills
John Jaszczak

Minerals of the Lake Superior Iron Ranges, George W. Robinson, Gene L. LaBerge
A. E. Seaman Mineral Museum Publications

Mineralogy of Michigan, George W. Robinson
A. E. Seaman Mineral Museum Publications

Manganotantalite from the Alto do Giz area, Equador, Rio Grande do Norte, Brazil, George W. Robinson, John A. Jaszczak, Reinhard R. Wegner, Owen P. Mills
Department of Physics Publications