Second circular
By: tenth International Congress of Entomology, Montreal, Canada, August 17-25, 1956
Publisher: The Secretary, Tenth International Congress of Entomology
Published: 1956
Place of publication: Ottawa
Language: eng; fre; ger; spa
Number of pages: 67
Subjects: Entomology; Congresses
Notes: Title and text in English, French, German and Spanish.