Maul, A., & Vagost. D Block, J. (1991). Microbiological analysis in water distribution networks: Sampling strategies, methods and computer programs. Ellis Horwood.
Dyfyniad Arddull ChicagoMaul, A., and J.C Vagost. D Block. Microbiological Analysis in Water Distribution Networks: Sampling Strategies, Methods and Computer Programs. New York: Ellis Horwood, 1991.
Dyfyniad MLAMaul, A., and J.C Vagost. D Block. Microbiological Analysis in Water Distribution Networks: Sampling Strategies, Methods and Computer Programs. Ellis Horwood, 1991.
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