The bright memory of Tula amateur ornithologist Paul Ludvigovich Ammon (1895-1944)
Journal: Русский орнитологический журнал @ornis
Article in issue: 1745 т.28, 2019.
Free access
ID: 140242570 Short address: https://sciup.org/140242570
Journal: Русский орнитологический журнал @ornis
Article in issue: 1745 т.28, 2019.
Free access
ID: 140242570 Short address: https://sciup.org/140242570
