1. Gerard, R. W.: Brain metabolism and circulation. Proc. Assoc. Res. Nerv. Ment. Dis. 18, 316 (1938).
2. Himwich, H. E.: Brain metabolism and cerebral disorders. Williams and Wilkins, Baltimore 1951.
3. Opitz, E., u. M. Schneider: Erg. Physiol. 46, 126 (1950).
4. Schmidt, C. F.: Pflügers Arch. 251, 571 (1949).
5. Scholander, P. F.: Scientific Results of marine Biol. Res. 22, 1 (1940).