"German project to develop nuclear fission" . . "German nuclear weapons program" . . . . "Uranverein" . . . "nuclear weapons program" . . "Uranium Project" . "German atomic program" . . . "German nuclear project" . . . "German nuclear weapons program" . . "its own project" . "the German program" . "Deutsche Physik (German physics)" . . "splitting of the atom in Nazi Germany" . . "''Deutschen Atomwaffen programme''" . . . . . . . . . "atomic weapons project" . . . . . "nuclear weapons programme" . . "build a nuclear weapon" . . . . . "a nuclear weapon" . . "German development of nuclear weapons" . "Development ofatomicandradiological weapons" . "Germany's work on nuclear energy and atomic weapons" .