00626naa#a2200181#i#450# EN\\bibl\39120 20210623052335.3 2073-1574 20200819b2020####ek#y0engy0150####ca RU Improvement of power efficiency and environmental safety of ship boilers Article Astrakhan Astrakhan State Technical University 2020 6 с. Article local Инженерное дело. Техника в целом. Транспорт. 62 Stenin Valery Alexandrovich Ershova Irina Valer’yevna vestnik.astu.org