Overheidsorganisatie Rijkswaterstaat Observation on submerged sand ripples with heights ranging from 30 to 200 cm occurring in tidal channels of S.W. Netherlands Jaar: 1970 Documenten: 1 Observation on submerged sand ripples with heights ranging from 30 to 200 cm occurring in tidal channels of S.W. Netherlands Bron: open.rijkswaterstaat.nl Download dossier (ZIP) · JSON Documenten (1) open.rijkswaterstaat.nl27 pagina's, pdf Tekst 786020.pdf (pdf, 10 MB)