TY  - BOOK
AU  - Rowe,Robert B.
TI  - Niobium (columbium) deposits of Canada
AV  - QE185 .A4 no. 18
PY  - 1958///
CY  - Ottawa
PB  - E. Cloutier, Queen's printer
KW  - Niobium
N1  - Part of illustrative matter in pocket; Bibliography: p. 99-103
ER  -