References
BRITISH SULPHUR CORP. LTD., 1980. WORLD SURVEY OF PHOSPHATEDEPOSITS. 4TH EDITION. LONDON. PP. 185-190.M.C. MEW, ED.CANADIAN MINING JOURNAL, CHINA'S MINERAL INDUSTRY: VOL. 94,NO. 1, JANUARY 1973, 27 P.LEE, ANNABELLE I.N., ED. 1980. FERTILIZER OCCURRENCES IN THEASIA-PACIFIC REGION. EAST-WEST RESOURCE SYSTEMSINSTITUTE. HONOLULU, HAWAII, PP. 106, 129-135.WANG, K.P. 1981. LETTER REPORT TO ZELLARS-WILLIAMS, INC.,PHOSPHATES IN CHINA. JULY 4, 1981.WANG, K.P. 1977. MINERAL RESOURCES AND BASIC INDUSTRIES INTHE PEOPLES' REPUBLIC OF CHINA. WESTVIEW PRESS,BOULDER, COLORADO. PP. 187-190.YEH, LIEN-CHUN. 1978. THE PHOSPHATE DEPOSITS OF CHINA. IN:PROTEROZORIC-CAMBRIAN PHOSPHORITES, PETER J. COOK ANDJOHN H. SHERGOLD, EDITORS. IUGP/IUGS/UNESCO.PROJECT 156.YEH, LIEN-TSUN, AND SHU SUN. 1980. SALIENT FEATURES OF CHI-NESE PHOSPHORITE DEPOSITS. PP. 81-92. IN: FERTILIZERMINERAL POTENTIAL IN ASIA AND THE PACIFIC, ED. RICHARDP. SHELDON AND WILLIAM C. BURNETT. EAST-WEST RESOURCESYSTEMS INSTITUTE, HONOLULU, HAWAII.YEH, LIEN-TSUN, SUN SHU, AND CHIN QI-YAND. UNDATED. ORIGINAND CHARACTERISTICS OF LITHOLOGIC ASSOCIATIONS OF LATESINIAN AND EARLY CAMBRIAN PHOSPHORITES IN EASTERNCHINA. (SOURCE UNKNOWN - AUTHORS ASSOCIATED WITH INST.GEOL. ACADEMICA SONICA, BEIJING, CHINA). 14 P. PLUS.ILLUS.US-CHINA BUSINESS COUNCIL. CHINA'S METALS AND MINERALS, ACOMPREHENSIVE GUIDE. THE US-CHINA BUSINESS COUNCIL,WASHINGTON, DC, 1988, 128 PP.MINING JOURNAL, V. 313, NO. 8037, SEPT. 15, 1989, P. 210.INDUSTRIAL MINERALS, NOV. 1989, P. 97.BRITISH SULPHUR CORPORATION, WORLD SURVEY OF PHOSPHATEDEPOSITS, FIFTH ED., 1987, LONDON, PP. 183-184.NOTHOLT, A. J. G., AND R. P. SHELDON. PROTEROZOIC ANDCAMBRIAN PHOSPHORITES - REGIONAL REVIEW: WORLD RESOURCSPAPER IN PHOSPHATE DEPOSITS OF THE WORLD, VOL. 1, P. J.COOK AND J. H. SHERGOLD EDS., CAMBRIDGE UNIVERSITYPRESS, CAMBRIDGE, 1986, PP. 9-18.