The ornithological hobbies of a merchant from Guryev Narkiz (Narciss) Pavlovich Ermolaev (1867-1943) and his son Vladimir Narcisovich Ermolaev (1905-1937)
Journal: Русский орнитологический журнал @ornis
Article in issue: 1730 т.28, 2019.
Free access
ID: 140237808 Short address: https://sciup.org/140237808
