ImprintBochum, [Federal Republic of Germany] : German Mining Museum, 1991.
83 p. : ill., maps
Organized by the UNDP-Maseru Ministry of Tourism, Sports and Culture - Legal Subcommittee, Unesco and the Embassy of the Federal Republic of Germany, Maseru, Legal Subcommittee, With the participation of the German Mining Museum, Bochum, F.R. od Germany. Includes bibliographical references.