FUNCTION OF PERMIAN SPECIAL GASTROPOD FAUNAS IN THE UPPER YANGZI AREATO DETERMINING SEDIMENTARY FACIES AND THEIR SIGNIFICANCE FOR SEARCHING FOR MINERAL-RESOURCES
Yt. Pan et W. Yu, FUNCTION OF PERMIAN SPECIAL GASTROPOD FAUNAS IN THE UPPER YANGZI AREATO DETERMINING SEDIMENTARY FACIES AND THEIR SIGNIFICANCE FOR SEARCHING FOR MINERAL-RESOURCES, Chinese Science Bulletin, 39(16), 1994, pp. 1372-1377