Neutron Production and Absorption in Uranium
                                
                                
                                
                                
                                
                                
                                
            H. L. ANDERSON, E. FERMI AND LEO SZILARD
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
                                
Reprinted from THE PHYSICAL REVIEW, Vol. 56, No. 3, August 1, 1939