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- [4] ERROR AND ERROR PROPAGATION IN DETERMINATION OF PH-VALUES FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1978, 293 (01): : 33 - 35
- [6] CHANGED PH-VALUES ON THE VEGETATION ALONG A MOTORWAY WATER AIR AND SOIL POLLUTION, 1979, 11 (02): : 153 - 157
- [9] NOMOGRAPH FOR DETERMINATION OF PH-VALUES OF MONOVALENT ACIDS AND BASES FRESENIUS ZEITSCHRIFT FUR ANALYTISCHE CHEMIE, 1977, 287 (4-5): : 320 - 320