Flagellates in freshwater ecosystems — Concluding remarksRoger I. Jones; Veijo Ilmavirta · 1988

The Dynamics and Use of Lacustrine Ecosystems || Phosphorus transformations in the epilimnia of small humic forest lakesIlmavirta, Veijo; Jones, Roger I. · 1992

Vertical and seasonal variation of phytoplankton photosynthesis in a brown-water lake with winter ice coverROGER I. JONES; VEIJO ILMAVIRTA · 1978

The Dynamics and Use of Lacustrine Ecosystems || Extracellular enzymes in a small polyhumic lake: origin, distribution and activitiesIlmavirta, Veijo; Jones, Roger I. · 1992

The Dynamics and Use of Lacustrine Ecosystems || Interpretation of mixed sediment profiles by means of a sediment-mixing model and radioactive falloutIlmavirta, Veijo; Jones, Roger I. · 1992