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3. M.D. Staicovici, Coabsorbent hybrid cooling plant, Romanian patent file deposition No. A/00588/24.07.2006, 2006 (in Romanian)
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5. M.D. Staicovici, The coabsorbent cycle technology for heat pumping applications, Presented to the “Confort, efficiency, energy conservation and environment protection”, UTCB Conference, 29–30 Nov., 2006, Bucharest, Romania