For citations:

Belonovich O.A., Shulezhko T.S., Burkanov V.N. OPPORTUNISTIC CETACEAN SIGHTINGS AND FISHERIES IN THE WATERS OF EASTERN KAMCHATKA AND WESTERN BERING SEA IN 2003–2017. The researches of the aquatic biological resources of Kamchatka and the North-West Part of the Pacific Ocean. 2019;1(54):46-57. (In Russ.) https://doi.org/10.15853/2072-8212.2019.54.46-57