Heilmann, Gerhard

2 publications

Heilmann, Gerhard (detail)
1913Vor nuvaerende Viden om Fuglenes Afstamning. Første Afsnit. [What we know about the descent of birds. Part 1.]
Dansk Ornith. For. Tidsskr. 7: 1-71. 50 figs.
—Sirs., 58.
Heilmann, Gerhard (detail)
1914Vor nuvaerende Viden om Fuglenes Afstamning. Tredje Afsnit. [What we know about the descent of birds. Part 3.]
Dansk Ornith. For. Tidsskr. 9: 1-91. Figs. 110-159.
—Sirs., 90.