Nauru Island

WORLD SURVEY OF PHOSPHATE DEPOSITS, 3RD EDITION, BRITISHSULPHUR CORP., 1973.WORLD SURVEY OF PHOSPHATE DEPOSITS, 4TH EDITION, BRITISHSULPHUR CORP., 1980.COMMONWEALTH FACT SHEET, NAURU, COMMONWEALTH INSTITUTE, 1975THE NAURU PHOSPHATE INDUSTRY, PHOSPHORUS & POTASSIUM,BRITISH SULPHUR CORP., 1972.VISIT BY D. W. LEYSHON TO BRITISH PHOSPHATE COMMISSION.VISIT BY D. W. LEYSHON TO NAURU PHOSPHATE CORP., MELBOURNEAUSTRALIA.WORLD MINING, D.R.I., 1980.ZW PERSONAL FILES."WORLD'S RICHEST LITTLE ISLE", THE NEW TIMES MAGAZINE,MARCH 7, 1982, P 25.MINING JOURNAL, MARCH 20, 1987, P. 214.INTERNATIONAL MINING, AUGUST 1987, P. 168.GREEN MARKETS, AUGUST 24, 1987, PP 1, 7.PHOSPHOROUS & POTASSIUM, NO. 154, MARCH/APRIL 1988, P. 7.MINING JOURNAL, FEBRUARY 24, 1989, P. 143.PHOSPHOROUS & POTASSIUM, NO. 162, JUL/AUG 1989, P. 10.CHEMICAL ECONOMICS HANDBOOK--SRI INTERNATIONAL. MARCH 1980.BRITISH SULPHUR CORPORATION, WORLD SURVEY OF PHOSPHATEDEPOSITS, FIFTH ED., LONDON, 1987, 274PP.