00585naa#a2200169#i#450# EN\\bibl\45623 20241123170418.6 2073-1574 20210816b2021####ek#y0engy0150####ca RU Estimating marine engine efficiency in dynamic processes Journal article Astrakhan Astrakhan State Technical University 2021 7 с. Journal article local Различные отрасли промышленности и ремесла. 68 Panasenko Andrei Aleksandrovich vestnik.astu.org