1. Sfericheskii analiz postoiannogo geomagnitnogo polia na epokhi 1955 i 1958 gg (spherical analysis of the geomagnetic field during the epochs 1955 and 1958);Adam;Geomagn. Aeronomiia,1962
2. Space Flight;Adams,1958
3. Cosmical Electrodynamics;Alfvén,1950
4. On the origin of cosmic magnetic fields;Alfvén;Astrophys. J.,1962
5. Cosmical Electrodynamics;Alfvén,1963