Ra︠t︡sionalʹnoe prirodopolʹzovanie v uslovi︠i︡akh Severa : sbornik nauchnykh trudov - Agafonov, Nikolaĭ Timofeevich; Seliverstov, ︠I︡Uriĭ Petrovich (Geograficheskoe ob-vo SSSR, 1985)