TY  - BOOK
AU  - Nriagu J O
AU  -  Moore P B Ed.
TI  - Phosphate minerals
U1  - H1151, M4;1 
PY  - 1984///
CY  - Berlin
PB  - Springer-Verlag         
KW  -  Phosphate
KW  - Geology
N1  - Includes bibliography
ER  -