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\bibitem{Klaassen_etal2004} Klaassen TO, Hovenier JN, Adam AJL, Fischer J, Jakob G, Poglitsch A, et al. Terahertz calorimetry for the Herschel Space Observatory. In: Proc. 29th IRMMW / 12th THz.; 2004. p. 815--6.

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