References
- Lehman, J. T. & Sandgren, C. D., 1982: Phosphorous dynamics of the procaryotic nannoplankton in a Michigan Lake. — Limnol. Oceanogr. 27: 828–838.
- Oliver, R. L., 1994: Floating and sinking in gas- vacuolate cyanobacteria. — J. Phycol. 30: 161–173.
- Round, F. E., 1981: The Ecology of Algae. — Cambridge University Press, Cambridge, 297 pp.
- Strickland, J. D. H. & Parsons, T. R., 1972: A Practical Handbook of Seawater Analysis. 2nd ed. — Bull. Fish. Res. Board Can. 167: 310 pp.
- Wehr, J. D., 1989: Experimental tests of nutrient limitation in freshwater picoplankton. — Appl. Environ. Microbiol. 55: 1605–1611.