| Avaa | Kivalo, P.
Fagerstolt, K. L.
Lehti, R.
Kaila, E.
| Water Tester with a Submersible Indicator for Dissolved Qxygen, Conductivity, Temperature and Redox Measurements. Part 1 | | artikkeli | happi, limnologia, vedenlaatu - veden laatu | | | 1963 | 3 | | | Eripainos: Paper and Timber no... | H-Limnologia (avokotelo 3) |