"Nitzschia and Fragilariopsis species studied in the light and electron microscopes". DNVA Skr. I. 1964, ny serie 16, 18 og 21, 1965 Nª. 2 og 3. 
 - 1968. "An Analysis of the Phytoplankton of the Pacific Southern Ocean: Abundance, Composition and Distribution during the 'Brattegg' Expedition 1947–48", dr.avh. Hvalrådet Skrifter 52, 1968, p. 1–168. 
 - 1968. "Distribution of marine diatoms in the southern oceans". Antarctic Map Folio Ser. 
 - 1974. "Some marine plankton genera of the diatom family Thalassiosiraceae". Suplemento 45 Nova Hedwigia: 1–49. 
 - 1976. "The biogeography of some marine planktonic diatoms". Deep Sea Research 23, 1976, p. 319–338. 
 - 1994.
"Nitzschia and Fragilariopsis species studied in the light and electron microscopes". DNVA Skr. I. 1964, ny serie 16, 18 og 21, 1965 Nª. 2 og 3. 
 - 1968. "An Analysis of the Phytoplankton of the Pacific Southern Ocean: Abundance, Composition and Distribution during the 'Brattegg' Expedition 1947–48", dr.avh. Hvalrådet Skrifter 52, 1968, p. 1–168. 
 - 1968. "Distribution of marine diatoms in the southern oceans". Antarctic Map Folio Ser. 
 - 1974. "Some marine plankton genera of the diatom family Thalassiosiraceae". Suplemento 45 Nova Hedwigia: 1–49. 
 - 1976. "The biogeography of some marine planktonic diatoms". Deep Sea Research 23, 1976, p. 319–338. 
 - 1994.
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