00578naa#a2200181#i#450# EN\ACADEMUS PUBLISHING\bibl\3312 20241222132000.7 20190106b2019####ek#y0engy0150####ca RU On the Legal Ambiguity of Tidal Flats on Russian Sea Coast Conference article/thesis San Francisco Academus Publishing 2019 3 с. Conference article/thesis local . 556.54:551.468 Науки о Земле. 26 bbk Gorin S L Koval' M V seacoasts.editorum.io