Chemical Characterization of Clay Minerals Associated with Zeolitization of Perlites (Borovitza, Eastern Rhodopes, Bulgaria)

by Yanev, Yotzo, Ildefonse, Philippe, Stefanov, Dechko
Source: 1. Geologica Carpathica - Clays 1. 1210-2695 1. Roč. 44, č. 1(1993), dát. June, s. 35-42