References
- Leenaers, H., Rang, M. C. & Schouten, C. J. J., 1987: Variability of the heavy metal content of flood deposits. — Proc. 4th Int. Symp. on the Interaction between Sediments and Water, Melbourne, 16–20 feb. 1987.
- Lewin, J. & Hughes, D., 1976: Assessing channel change in Welsh rivers. — Cambria 3: 1–10.
- Rang, M. C., Kleijn, C. E. & Schouten, C. J. J., 1986: Historical changes in the enrichment of Fluvial Deposits with Heavy Metals. — Iahs Publ. 157: 47–59. Rang, M. C. & Schouten, C. J. J., 1987: Kwaliteitsverlies van het grondwater in Zuid Limburg. — Milieu 2 (1).