Bijdrage tot de kennis der houtige lianen Zeijlstra, H. H. creator text book Amsterdam? 5n 1911? 1911
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DUT Thesis (doctoral)--Universiteit van Amsterdam, 1911. "Stallingen" ([4]p.) inserted. Lianas Woody plants QK773 .Z43 https://www.biodiversitylibrary.org/bibliography/41489 11401876 10.5962/bhl.title.41489 VXG