Opera︠t︡si︠i︡a "Makhaon" : metodicheskie rekomenda︠t︡sii po okhrane babochek v ︠I︡Akutskoĭ ASSR - Vinokurov, Nikolaĭ Nikolaevich (︠I︡Akutskiĭ in-t biologii SO AN SSSR, 1990)