C. V. Miller, G. D. Foster and B. F. Majedi, “Base Flow and Storm Flow Metal Fluxes from Two Small Agricultural Catchments in the Coastal Plain of Chesapeake Bay Basin, United States,” Applied Geochemistry, Vol. 18, No. 4, 2003, pp. 483-501.
 D. L. Osmond, D. E. Line, J. A. Gale, R. W. Gannon., C. B. Knott, K. A. Bartenhagen, et al., “Water, Soil and Hydro-Environmental Decision Support System,” 1995. www.water.ncsu.edu/watersheds/info/hmetals.html
 H. Akcay, A. Orcuz and C. Karapire, “Study of Heavy Metal Pollution and Speciation in Buyak Menderes and Gediz River Sediments,” Water Research, Vol. 37, No. 4, 2003, pp. 813-822. doi:10.1016/S0043-1354(02)00392-5
 R. Nicolau, A. Galera-Cunha and Y. Lucas, “Transfer of Nutrients and Labile Nutrients from the Continent to the Sea by Small Mediterranean River,” Chemosphere, Vol. 63, No. 3, 2006, pp. 469-476. doi:10.1016/j.chemosphere.2005.08.025
 Y. Suziki, A. Nogi and T. Fukasawa, “Gall L Protein, an Auxiliary Transcription Activator for Genes Encoding Galactose-Metabolizing Enzymes in Saccharomyces cereuisiae,” Molecular and Cellular Biology, Vol. 8, No. 11, 1988, pp. 4991-4999.
 A. A. Otitoloju and K. N. Don-Pedro, “Integrated Laboratory and Field Assessments of Heavy Metals Accumulation in Edible Periwinkle, Tympanotonus fuscatus var. Radula (L),” Ecotoxicology and Environmental Safety, Vol. 57, No. 3, 2004, pp. 354-362.
 L. J. Tsai, K. C. Yu, S. F. Chen and P. Y. Kung, “Effect of Temperature on Removal of Heavy Metals from Contaminated River Sediments via Bioleaching,” Water Research, Vol. 37, No. 10, 2003, pp. 2449-2457.
 N. López-González, J. Borrego, J. A. Morales, O. Carro and O. Lozano-Soria, “Metal Fractionation in Oxic Sediments of an Estuary Affected by Acid Mine Drainage (Southwestern Spain),” Estuarine, Coastal and Shelf Science, Vol. 68, No. 3-4, 2006, pp. 297-304.
 Y. J. Cui, Y. G. Zhu, R. H. Zhai, D. Y. Chen, Y. Z. Huang and Y. Qiu, “Transfer of Metals from Soil to Vegetables in an Area near a Smelter in Nanning, China,” International Journal of Environment, Vol. 30, No. 6, 2010, pp 785-791. doi:10.1016/j.envint.2004.01.003
 J. Mellem, H. Baijanth and B. Odhav, “Translocation and Accumulation of Cr, Hg, As, Pb, Cu and Ni by Amaranthus dubius (Amaranthaceae) from Contaminated Sites,” Journal of Environmental Science and Health, Vol. 44, No. 6, 2009, pp. 568-575.