Jánossy, Lajos, 1912- Cosmic rays / by L. Jánossy. - 2nd ed. - Oxford : Clarendon Press, 1950. - xiii, 454 p., 10 p. of plates : ill. ; 25 cm. Originally published in Dublin, 1947. includes index. Subjects--Topical Terms: Cosmic rays. Dewey Class. No.: 539.722 / JA C 1950