In Russian. Pen, Robert Zusyevich. Statistical Methods in Pulp and Paper Production. Moscow: Forest Industry, 1973. Statisticheskie metody v tsellyulozno-bumazhnom proizvodstve. In Russian/Statistical methods in pulp and paper production. 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. SKU7320240