TY - BOOK AU - Auger, Pierre AU - Shapiro, Maurice Mandel, TI - What are cosmic rays?: Revised and elarged American edition U1 - 535 AUG PY - 1945/// CY - Chicago PB - University of Chicago Press KW - Cosmic rays N1 - " Originally published under the title of Rayons cosmiques by the Pr esses universitariries de France,Paris,in 1941" ER -