title: [In memoriam Nikolai Vasil'evich Khelevin].
mesh_terms: D004772:Entomology / Q000266:history; D049673:History, 20th Century; D010274:Parasitology / Q000266:history; D012425:Russia (Pre-1917); D014586:USSR
vernacular_title: Pamiati Nikolaia Vasil'evicha Khelevina.