1. Anwar MS, Chaudhry NA, Tayyab M (1999) Bacteriological quality of drinking water in Punjab: evaluation of H2S strip test. J Pak Med Assoc 49(10):237–241
2. Blackwood CB, Hudleston D, Zak DR, Buyer JS (2007) Interpreting ecological diversity indices applied to terminal restriction fragment length polymorphism data: insights from simulated microbial communities. Appl Environ Microbiol 73:5276–5283
3. Castillo G, Duarte R, Ruiz Z, Mauricio MT, Honorato B, Mercado R, Coloma V, Lorca V, Martins MT, Dutka BK (1994) Evaluation of disinfected and untreated drinking water supplies in Chile by the H2S paper strip test. Water Research 28:1765–1770
4. Committee on Indicators for Waterborne Pathogens (2004) Indicators for Waterborne Pathogens. National Academies Press, Washington
5. Genthe B, Franck M (1999) A tool for assessing microbial quality in small community water supplies: an H2S strip test. WRC Report 1. Water Research Commission, Division of Water, Environment and Forestry Technology, CSIR, Stellenbosch, South Africa