For citations:

Zhukov V.А., Yatsuk Yu.V. Updating environmental requirements for engines of river passenger and sightseeing vessels. Vestnik Gosudarstvennogo universiteta morskogo i rechnogo flota imeni admirala S. O. Makarova. 2025;17(6):913-923. (In Russ.) https://doi.org/10.21821/2309-5180-2025-17-6-913-923. EDN: QNUMFC