Reference | {Deposit:: BRITISH SULPHUR CORP. LTD., 1980: WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH ED., LONDON.}{Deposit:: ALBUQUERQUE AND GIANNERINI, J.F. 1981: APERCU SUR *NDUSTRIE DU PHOSPHATE AU BRESIL: INDUSTRIE MINERALE, VOL. 69, NO. 10, OCT. 1981, P. 590.} |