Protection of the flora and fauna of the Volga region and adjacent territories. In Russian /Okhrana rastitelnogo i zhivotnogo mira Povolzhya i sopredelnykh territoriy. Proceedings of the All-Russian. Scientific Conference dedicated to the 130th anniversary of the birth of I. I. Spygin, May 20-21, 2003. Penza. PGPU. 2003. 364 p. Please contact us for details on condition of available copies of the book. SKUalb92018159efe1bde9