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The 6 references without a DOI — listed, not checked
no DOI — not checked10.1016/j.applthermaleng.2005.12.014_bib7
no DOI — not checkedDavid Arzoz, Maria Venegas, Pedro Rodriguez, Solar absorption refrigeration cycle using LiNO3–NH3 solution and flat plate collectors, in: ISHPC’02 Proc. of the Int. Sorption Heat Pump Conf., Shanghai, China, 2002, pp. 101–106.
no DOI — not checkedI. Borde, M. Jelinek, N.C. Daltrophe, Refrigerant–absorbent mixtures based on the refrigerant R134A, in: Proc. XVIII International Conference of Refrigeration, Montreal, Canada, 1991, pp. 653–658.
no DOI — not checkedI. Borde, M. Jelinek, N.C. Daltrophe, Working substance for absorption heat pumps based on R32, in: Proceedings of the Nineteenth International Congress of Refrigeration, 1995, pp. 81–87.
no DOI — not checkedM. Jelinek, I. Borde, Working fluids for absorption heat pumps based on R125 (pentafluroethane) and organic absorbents, in: Proc. of the Int. Sorption Heat Pump Conf., Munich, Germany, 1999, pp. 205–208.
no DOI — not checkedV. Muthu, Studies on vapour absorption refrigeration system using R134a-DMAC, a Ph.D. thesis, Department of Mechanical Engineering, Anna University, Chennai, 2003.
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