Data PolicyPublications | Institutes | Persons | Datasets | Projects | Maps [ report an error in this record ]basket (0): add | show Obstructio versus TropicorbisHaas, F. (1941). Obstructio versus Tropicorbis. The Nautilus 55(1): 31-32 In: The Nautilus. Bailey Matthews Shell Museum: Silver Spring. ISSN 0028-1344, more Available in Author VLIZ: Open access 262444 [ download pdf ] Author Top Haas, F. All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy Top | Author