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Holland's delta plan | Analytt | q629.12.001.33(05) L 77 I: 100 A1. A bulletin publ. by Lloyd's Register of Shipping. - Nr. 9, 1962 - London. - 4-9 | | |
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Sporen in het land : de Nederlandse delta in de prehistorie | Bok | q627.16 L Louwe Kooijmans, L. P. / - Amsterdam : Meulenhoff, 1985. - 160 s. - Språk: Nederlandsk | Louwe Kooijmans, L. P. | 1985 |