1. Abolude DS, Davies OA, Chia AM (2009) Distribution and concentration of trace elements in Kubanni reservoir in Northern Nigeria. Res J Environ Earth Sci 1(2):39–44
2. Ahmad AK, Mushrifah I, Shuhaimi-Othman M (2009) Water quality and heavy metal concentrations in sediment of Sungai Kelantan, Kelantan, Malaysia: a baseline study. Sains Malays 38(4):435–442
3. Akinbile CO, Yusoff MS (2011) Environmental impact of leachate pollution on groundwater supplies in Akure, Nigeria. Int J Environ Sci Dev 2(1):81–86
4. Baker RA (1980) Contaminants and sediment, vol 2. Ann Arbor Science Publication, Michigan, pp 305–322
5. Barnes B, Gordon DM (2004) Coliform dynamics and the implications for source tracking. Environ Microbiol 6:501–509