Friedrichshall

WORLD MINES REGISTER 1976-77 P. 90.WORLD SURVEY OF POTASH, 1970, SURVEY AND MAPPING BRANCHDEPARTMENT OF ENERGY MINES AND RESOURCES, OTTAWA, CANADA.BRITISH SULPHUR, "WORLD SURVEY OF POTASH RESOURCES", 3RD, ED1979, BRITISH SULPHUR CORP. LTD.EUROPE CHEMICAL NEWS, "WEST GERMANY", 8/6/81, PAGE 6.PHOSPHATE AND POTASH, NO. 48, JULY/AUGUST, 1970.PHOSPHATE AND POTASH, NO. 114, JULY/AUGUST, 1981.PHOSPHATE AND POTASH, NO. 116, NOVEMBER/DECEMBER, 1970-?,DATE MAY BE WRONG, POSSIBLY 1981.PHOSPHATE AND POTASH, NO. 119, MAY/JUNE, 1982.PHOSPHATE AND POTASH, NO. 120, JULY/AUGUST, 1982.BRITISH SULPHUR CORP. LTD., P & K MAGAZINE, NO. 90,JULY/AUGUST, 1977.BRITISH SULPHUR CORP. LTD., P & K MAGAZINE, NO. 124,MARCH/APRIL, 1983.BRITISH SULPHUR CORP. LDT., P & K MAGAZINE, NO. 125,MAY/JUNE, 1983, PAGES 17, 38.WORLD BANK, "WORLD TABLES", SECOND EDITION, 1980.INTERNATIONAL FINANCIAL STATISTICS, AUGUST 1981 AND MAY 1983