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\bibitem{Leisawitz_etal2000} Leisawitz, D. T., Danchi, W. C., Dipirro, M. J., Feinberg, L. D., Gezari, D. Y., Hagopian, M., et al. (2000). Scientific motivation and technology requirements for the SPIRIT and SPECS far-infrared/submillimeter space interferometers. In \textit{Proc. SPIE} (Vol. 4013, pp. 36--46).

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