Palygorskite-sepiolite occurrences, genesis, and uses / edited by A. Singer and E. Galan. - Amsterdam : Elsevier North-Holland 1984. - 352 p. : ill. ; 25 cm. - Developments in sedimentology 37. . Includes indexes and bibliography : p. 315-336. Subjects--Topical Terms: Palygorskite.Meerschaum.