Dekorativnye rasteni︠i︡a dl︠i︡a Sibirii : kratkie itogi introduk︠t︡sii ︠t︡svetochnykh i gazonnykh rasteniĭ - Sobolevska︠i︡a, Kira Arkadʹevna ("Nauka," Sibirskoe otd-nie, 1975)