1. Nitrogen fixation in the Sargasso Sea;Dugdale;Deep-Sea Res.,1961
2. Nitrogen fixation by Gloeocapsa;Wyatt;Science,1969
3. Nitrogenase activity in the blue-green alga Plectonema boryanum strain 594;Stewart;Arch. Mikrobiol.,1970
4. Modern approach to the classification system of cyanophytes;Anagnostidis;3. Oscillatoriales. Arch. Hydrobiol.,1988
5. Effects of monochromatic lights on four species of Leptolyngbya;Albertano;Arch. Hydrobiol.,1991