V. V. Protopopov

• Marīi︠a︡ Gavrīilovna Savina
• Biblīoteka V. V. Protopopova
• Infrakrasnye lazernye lokat͡s︡ionnye sistemy
• Lazernoe geterodinirovanie
• Muzyka
• Practical opto-electronics
• Print︠s︡ipy muzykalʹnoĭ formy Bethovena
• Problemy muzykalʹnoi teorii
• Russkai︠a︡ kniga o Bakhe
• Ryzhīĭ
• Spectroscopic Techniques for Semiconductor Industry
• Vissarion I︠A︡kovlevich Shebalin