Essai d'une théorie du vol des oiseaux, des chauves-souris et des insectes
Subtitle: traité populaire accompagné de xylographies
By: par C.J.L. Krarup-Hansen.
Publisher: C. Steen
Published: 1869
Place of publication: Copenhague
Language: fre
Number of pages: 44
Subjects: Flight.; Bats.; Insects.
Notes: Published also same year and place in Danish, English, and German.