Title: "Symposium" sôbre raios cósmicos,
Authors: Academia Brasileira de Ciências.
Date: 1943
Publisher: Imprensa nacional,
Physical description: 2 p.l., [7]-180 p. illus., plates, ports., diagrs. 27 cm.
Language: Portuguese
LC classification: Q
Notes: Group portrait accompanied by transparent sheet with identifying numbers. Text in English, French or Portuguese.
Subject headings (LCSH): Cosmic rays--Congresses.; Cosmic rays.; Radioactivity--Congresses.