1. Kuyanov, A.Yu.: Cargo controlled parachute system sherpa. Precise airborne ejection. Free-fall navigation system. http://gidgrowth.com/gruzovaya-upravlyaemaya-parashyutnaya-sistema-sherpa-tochnaya..html (in Russian)
2. Foreign parachute systems for cargo landing – InVoenInfo. http://invoen.ru/vvt/zarubezhnie-parashyutnie-sistemi-desantirovanie-gruzov. (in Russian)
3. Ploskov, S.Yu.: Modern parachute systems for high-precision cargo delivery. Engineering Journal: Science and Innovation # 3·2021. http://engjournal.article/2066/2066.pdf. (in Russian)
4. Betin, A., Ryzhenko, A., Sadovnychiy, S., Ricardo, P.-F.: Simulation of aircraft flight dynamics by means of dynamically similar models. In: Modeling and Simulation Technologies, pp. 64–69. American Institute of Aeronautics and Astronautics, Boston, USA (1998)
5. Betin A., Sadovnychiy S., Ryshenko A.: Simulation of aircraft emergencies by means of dynamically similar models. In: Modeling and Simulation Technologies, pp. 328–334. American Institute of Aeronautics and Astronautics, Portland, USA (1999)