V. A. Parfenov, Candidate of Engineering Sciences. Rare Metals. In Russian /Parfenov V. A., Kandidat tekhnicheskikh nauk. Redkie metally. Series: Scientific and Popular Library. Issue 74. Edited by Prof. A. I. Belyaev. Editor D. A. Katrenko. Moscow. State Publishing House of Technical and Theoretical Literature. 1954. 48 p. We have thousands of titles and often several copies of each title may be available. Please feel free to contact us for a detailed description of the copies available. SKUalb706b43bab6777f78.