In Russian. Viktorova, Evgenia Alexandrovna. Scientific and Technological Progress in Petrochemistry. Moscow: O-vo Znanie RSFSR, 1976. Nauchno-tekhnicheskiy progress v neftekhimii. In Russian /Scientific and Technological Progress in Petrochemicals . 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. SKU7665313