1. The Biology of Metalworking Fluids;Bennett;Lub. Eng.,1972
2. Microbiological Control of Water-based Metal-working Fluid;Schrader,1979
3. Standard Methods for the Examination of Water and Wastewater,1975
4. Effects of Absorbents on pH for Catalase;Aliev;Vestn Mosic Univ. Biol. Pochvoved.,1966