Phosphate rock availability--world :
a minerals availability program appraisal /
by R.J. Fantel ... [et al.].
APA Citation
Fantel, R. J. (Richard J.). (1984). Phosphate rock availability--world: a minerals availability program appraisal. [Washington, D.C.]: United States Dept. of the Interior.
MLA Citation
Fantel, R. J. (Richard J.). Phosphate Rock Availability--world: a Minerals Availability Program Appraisal. [Washington, D.C.]: United States Dept. of the Interior, 1984.
Warning: These citations may not always be complete (especially for serials).