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- [1] INVESTIGATIONS ON THE SUITABILITY OF THE THRESHOLD VALUES FOR HEAVY-METALS IN SOILS .1. INFLUENCE OF DIFFERENT SOIL PARAMETERS ON THE TOLERABLE AQUA REGIA SOLUBLE METAL CONTENT LANDWIRTSCHAFTLICHE FORSCHUNG, 1989, 42 (01): : 29 - 39
- [2] HEAVY-METALS IN LAKE KINNERET (ISRAEL) .2. HYDROGEN-SULFIDE DEPENDENT PRECIPITATION OF COPPER, CADMIUM, LEAD AND ZINC ARCHIV FUR HYDROBIOLOGIE, 1987, 109 (01): : 1 - 24
- [3] ION-EXCHANGE MICRO COLUMNS FOR ONLINE PRECONCENTRATION OF HEAVY-METALS .2. ONLINE BREAKTHROUGH TEST FOR ZINC, CADMIUM AND LEAD FRESENIUS JOURNAL OF ANALYTICAL CHEMISTRY, 1995, 353 (02): : 119 - 122