Arnold William and Steele Richard and Mueller Helmut: On the magnetic assymmetry of muscle fibers : [communicated by Albert Szent-Györgyi]. In: Proceedings of the National Academy of Sciences of the United States of America : PNAS, (44) 1. pp. 1-4. (1958)
Mueller Helmut: Dehydrated muscle fibers : [communicated by Albert Szent-Györgyi]. In: Proceedings of the National Academy of Sciences of the United States of America : PNAS, (44) 3. pp. 235-238. (1958)
Pullman Bernard and Pullman Alberte: Electron-donor and -acceptor properties of biologicallay important purines, pyrimidines, pteridines, flavins and aromatic amino acids : [communicated by Albert Szent-Györgyi]. In: Proceedings of the National Academy of Sciences of the United States of America : PNAS, (44) 12. pp. 1197-1202. (1958)