TY  - BOOK
AU  - Notholt,A.J.G.
AU  - Sheldon,R.P.
AU  - Davidson,D.F.
ED  - International Geological Correlation Programme.
TI  - Phosphate deposits of the world
SN  - 0521305098
PY  - 1989///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Phosphate deposits
N1  - "International Geological Correlation Programme Project 156: Phosphorites."; v. 2. Phosphate rock resources
ER  -