Russian Academy of Sciences
16-Mar-2022 |
Jacob Haqq-Misra, Nikolai Semyonovich Kardashev, Manasvi Lingam, Ravi Kumar Kopparapu, Adam Frank, Jason T. Wright, Eric Mamajek, Nick Siegler, Danny C. Price
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1-Jun-2000 |
Acta Astronautica
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(16-Mar-2022)
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M. Yu Timofeev, N.S. Kardashev, V.G. Promyslov (1-Jun-2000)
Acta Astronautica
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