Genesis and development of sand formations on marine coasts Olsson-Seffer, Pehr Hjalmar, 1873-1911 creator Olsson-Seffer, Pehr Hjalmar, 1873-1911 creator text book Rock Island, Ill Augustana book concern, printers 1910 1910
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ENG Beaches Plant ecology Sand dunes QK903 .O6 Augustana library publications, no.7 https://www.biodiversitylibrary.org/bibliography/51067 0894-0053 https://www.biodiversitylibrary.org/bibliography/21728 4074702 11022544 10.5962/bhl.title.21728 DLC