Apterygotan fauna of Poland in relation to the world-fauna of this group of insects.
Subtitle: Family: Onychiuridae.
Publisher: Państwowe Wydawn. Naukowe
Published: 1954
Place of publication: Kraków
Language: eng
Number of pages: 219
Subjects: Onychiuridae
Notes: At head of title: Polska Akademia Nauk.  Instytut Zoologiczny. Oddział w Krakowie.

Summaries in Polish and Russian.

Includes bibliographies.