TY  - BOOK
AU  - Jacobson,Reginald Ronald Eric
AU  - Webb,J.S.
TI  - The pegmatites of central Nigeria,
T2  - Nigeria. Geological Survey. Bulletin
AV  - QE461 .J3
U1  - 552.1 
PY  - 1946///
CY  - [Colchester]
KW  - Pegmatites
KW  - Mineralogy
KW  - Nigeria
N1  - "References": p. 60
ER  -