1. Kamchatskai͡a gruppa reagironvanii͡a na vulkanicheskie izverzhenii͡a (KVERT). Publication/Creation: [Washington, D.C.] : [U.S. Dept. of the Interior, U.S. Geological Survey], [2003] Resource Type: Book Access & Availability: Loading
2. Borehole and thin section descriptions from exploration drilling and field work in the Antaramut-Kurtan-Dzoragukh coal field, north-central Armenia Author/Creator: Pierce, Brenda S., author Publication/Creation: Reston, VA : U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading