In Russian. Markova, Galina Alexandrovna. New methods of estimation of melting raw materials of crystal-bearing deposits. Syktyvkar: 1975. Novye metody otsenki plavochnogo syr'ya khrustalenosnykh mestorozhdeniy. In Russian /New Methods for Estimating Melting Raw Materials of Crystal Deposits. All images are for identification of editions only. Several books of the same edition may be available. Please feel free to request photos of available books. SKU7025201