Phosphate deposits of the world /
edited by A.J.G. Notholt, R.P. Sheldon & D.F. Davidson.
- Cambridge : Cambridge University Press, 1989.
- v. <2 > : ill.
"International Geological Correlation Programme Project 156: Phosphorites."
v. 2. Phosphate rock resources.
0521305098
90025066
Phosphate deposits.
"International Geological Correlation Programme Project 156: Phosphorites."
v. 2. Phosphate rock resources.
0521305098
90025066
Phosphate deposits.