Bibliographic Detail
Hasle, G.R., 1965
Reference:
Hasle, G.R. (1965). Nitzschia and Fragilariopsis species studied in the light and electron microscopes. II. The group Pseudo-nitzschia. Skrifter Norske VidenskabersAkademie Oslo, Math.-Naturvidensk. Klasse, n. ser. 18: 1-45.