Não informado. (1981). Advances in Space Research. International Council of Scientific Unions, Committee on Space Research.
Citace podle Chicago (17th ed.)Não informado. Advances in Space Research. Oxford, Inglaterra: International Council of Scientific Unions, Committee on Space Research, 1981.
Citace podle MLA (8th ed.)Não informado. Advances in Space Research. International Council of Scientific Unions, Committee on Space Research, 1981.
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