TY - BOOK AU - Tag El-Dien,Aly Saad A. TI - Physical and chemical properties of palygorskit mineral PY - 1978/// KW - Palygorskit KW - Minerals KW - Mineralogical chemistry N1 - Thesis(M.S.)--Ain Shams University, 1978; Includes bibliographical references (leaves [93-107]); Microfiche; Cario, Egypt; ASUNET; 2 microfihes : negative ER -