Hasle, G. R. (1964). Nitzschia and Fragilariopsis species studied in the light and electron microscopes. Universitetsforlaget.
Chicago Style (17th ed.) CitationHasle, Grethe R. Nitzschia and Fragilariopsis Species Studied in the Light and Electron Microscopes. Oslo: Universitetsforlaget, 1964.
MLA (9th ed.) CitationHasle, Grethe R. Nitzschia and Fragilariopsis Species Studied in the Light and Electron Microscopes. Universitetsforlaget, 1964.
Warning: These citations may not always be 100% accurate.