Influence the method to regulate the cold power and external conditions on the efficiency of two-stage refrigeration compressors

Mushakov, P. (). Influence the method to regulate the cold power and external conditions on the efficiency of two-stage refrigeration compressors. // <I>TE-RE-RD 2015<D> : 4th intern. conf. "Thermal equipment, renewable energy and rural development", Posada Vidraru - Arges county, Romania, 04-06 june, 2015 : Proc. - Bucharest : Politehnika, 2015, p. 73-78..