. "2019-09-04T12:02:37"^^ . "2022-03-21T13:42:00"^^ . . "long-period water waves"@en . "long-period waves"@en . "long gravity waves"@en . "long waves"@en . . . . . . . . "Flachwasserwelle"@de . "shallow water waves"@en . "s\u0131\u011F su dalgas\u0131"@tr . "vague d'eau peu profonde"@fr . . . . . . . . . . . . . .