1. C. Brǎcǎcescu, C. Soricǎ, G. Bunduchi, Experimental researches regarding the optimization of working process of technical equipment for cereals primary processing, Tractors and power machines, UDK 631.372, Godina 19(1), 77–84 (2014)
2. T. Căsăndroiu, Primary processing and agricultural products storing, lithographed course Politehnica, University of Bucharest (1993)
3. C. Soricǎ, C. Brǎcǎcescu, D. Manea, E. Soricǎ, M. Epure, C. Covaliu, Considerations regarding the optimization of the mechanical conditioning process of grain into the indented cylinder separators. Ann. Fac. Eng. Hunedoara—Int. J. Eng. Tome XII—Fasc. 3 (2014)
4. H. Krampe, Transport, Umschlag (Fachverlag, Leipzig, Lagerung. VEB, 1990)
5. L. Brîndeu, in Vibration and vibropercussion, Basic of Vibration and Vibropercussion Mechanics, (Publishing House Politehnica, Timişoara, 2001)