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- [1] USE OF A NEW NO3-SENSITIVE ELECTRODE IN FOOD - BRIEF REPORT NAHRUNG-FOOD, 1980, 24 (02): : 197 - 199
- [5] A RAPID AND SENSITIVE DETERMINATION METHOD FOR SOIL NITRATE STATUS ZEITSCHRIFT FUR PFLANZENERNAHRUNG UND BODENKUNDE, 1981, 144 (06): : 628 - 636