1. Asmund, B... “Electron microscope observations onMallomonas caudata and some remarks on its occurrence in four desmid ponds,”Bot. Tidsskr., 1955,52, 163–68.
2. Astbury, W. T. and Saha, N. N. “Structure of algal flagella,”Nature, Lond., 1953,171, 280–83.
3. Braarud, T... “Coccolith morphology and taxonomic position ofHymenomonas roseola Stein andSyracosphœra carterœ Braarud and Fagerland,”Nytt. Mag. Bot., 1954a,3, 1–4.
4. —————.. “The study of plankton algæ in electron microscope,”Blyttia, 1954b,2, 102–08.
5. —————..Electron Microscopy in Oceanographic Research. Papers in Marine Biology and Oceanography (Pergamon Press Ltd., London, 1955, 479–81).