Electromagnetic radiation in space : proceedings of the 3rd ESRO summer school in space physics, held in Alpbach, Austria, from 19 July to 13 Aug., 1965
Electromagnetic radiation in space : proceedings of the 3rd ESRO summer school in space physics, held in Alpbach, Austria, from 19 July to 13 Aug., 1965 / ed. by J.G. Emming