In Russian. Khrushchova, Margarita Mikhailovna. Comparative geological and economic characteristics of industrial types of mineral deposits. Moscow: VIEMS, 1975. Sravnitel'naya geologo-ekonomicheskaya kharakteristika promyshlennykh tipov mestorozhdeniy poleznykh iskopaemykh. In Russian /Comparative geological and economic characteristics of industrial types of mineral 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. SKU6971008