References
- Golterman, H. L., 1969: Chemical analysis of fresh waters. — IBP handbook No 8, 1–172.
- Gröterud, O., 1972: Ice analyses. Data from three Norwegian lakes. — Hydrobiologia, in press.
- Gröterud, O. 1972: Hydrographical data from two soft water lakes with special reference to precipitation (melt water). — Arch. Hydrobiol. 70, 277–324.