Solar-terrestrial physics : solar aspects (proceedings of Joint IQSY/COSPAR Symposium, London, 1967, part 1) / general editor, A.C. Stickland ; International Council of Scientific Unions. (Annals of the IQSY ; v. 4)
Solar-terrestrial physics : solar aspects (proceedings of Joint IQSY/COSPAR Symposium, London, 1967, part 1) / general editor, A.C. Stickland ; International Council of Scientific Unions.