1. APHA, AWWA, WEF (2005) Standard methods for the examination of water and waste water (21st edn). Jointly prepared and published by American Public Health Association, American Water Works Association and Water Environment Federation, New York, Washington, DC
2. Bhatnagar A, Garg SK (1998) Environmental impact assessment in river Ghaggar in Haryana. J Nat Conserv 10(2):215–224
3. Bhutiani R, Khanna DR (2007) Ecological study of Suswa River: modeling DO and BOD. Environ Monit Assess 125:1–3
4. Bordalo AA, Teixeira R, Wiebe WJ (2006) A water quality index applied to an international shared river basin: the case of the Douro River. Environ Manag 38:910–920
5. Celik M (2001) Water quality assessment and the investigation of the relationship between the river Delice and the aquifer systems in the vicinity of Yerkoy (Yozgat, Turkey). Environ Geol 42:690–700