1. Electron microscope observatious on Mallomonas species, and remarks on their occurrence in some Danish ponds and lakes III;Asmund;Dansk Bot. Ark.,1959
2. Studies on Chrysophyceae from ponds and lakes in Alaska VI. Occurrence of Synura species;Asmund;Hydrobiologia,1968
3. The genus Mallomonas (Chrysophyceae). A taxonomic survey based on the ultrastructure of silica scales and bristles;Asmund;Opera Bot.,1986
4. Recherches sur les chrysophycées;Bourrelly;Rev. Algol. Mém.-Hors.-Sér.,1957
5. Contribution a l'etude de la flore algale d' eau douce de Madagascar: Le lac de Tzimbasasa;Bourrelly;Mem. Inst. Sci. Mad., Sér. B,1949