1. Soil dehydrogenase activity;Casida;Soil Sci.,1964
2. Die Dehydrogenaseaktivität des Bodens als Mass für die Mikroorganismentätigkeit im Boden;Lenhard;Z. PflErnähr. Dūng. Bodenk.,1956
3. Methods of chemical analysis for soil survey samples;Metson;N.Z. Soil Bur. Bull.,1956
4. Soils of New Zealand;New Zealand Soil Bureau;N.Z. Soil Bur. Bull.,1968
5. Dehydrogenase activity in the soil as a mirror of the activity of its microfiora;Peterson;Mikrobiologiya,1967