1. Dispersion relation of magneto-hydrodynamic waves in the ionosphere and its application to the shock wave;Akasufo;Sci. Rep. Tôhoku Univ.,1956
2. Über die Magnetisierung der Basalte des Vogelsberges;Angenheister;Nach. Akad. d. Wiss., Göttingen, Math.-Phys. Kl., Abt. IIa,1956
3. International data on magnetic disturbances-Part 2: Kp, Ap, Ci, and selected days, third quarter, 1956;Bartels;J. Geophys. Res.,1957
4. ‘Lozenge’ and ‘tadpole’ domain structure on silicon-iron crystals;Bates;Proc. Phys. Soc., B,1956
5. R. M. Bozorth Ferromagnetism Bell Telephone System No. 2679 1956