@Article{esd-5-491-2014,
AUTHOR = {Edixhoven, J. D. and Gupta, J. and Savenije, H. H. G.},
TITLE = {Recent revisions of phosphate rock reserves and resources: a critique},
JOURNAL = {Earth System Dynamics},
VOLUME = {5},
YEAR = {2014},
NUMBER = {2},
PAGES = {491--507},
URL = {https://esd.copernicus.org/articles/5/491/2014/},
DOI = {10.5194/esd-5-491-2014}
}