Nature-oriented potential resource and melliferous value of forest belts in steppe agro-forest landscapes
Samsonova, Irina, Gryazkin, Anatoly, Belyaeva, Natalia, Belyaev, Vladimir, Petrik, Vitaliy, Bespalova, Veronica, Lyubimov, Alexander
Geographic variations of song and rain calls of the Chaffinch across the ranges of three subspecies
Ivanitskii, Vladimir, Samsonova, Irina, Marova, Irina