N. N. Petrov, “Main Axial-Flow Mine Fans with Higher Adaptability, Maintainability and Reliability,” Proceedings of the 22nd WMC&Expo, Istanbul, Turkey, 11-16 September, 2011.
 N. N. Petrov, N. A. Popov, E. A. Batyaev and V. A. Novikov, “Theory and Design of Reversible Axial fans with Turn in Motion Blades of Impeller,” Journal of Mining Science, Vol.35, No. 5, 1999, pp. 79-97. doi:10.1007/BF02562513
 K. N. Borishansky, “Vibration of Turbine Blades,” Study Guide, Saint-Petersburg: PIMash, 1995.