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Dyfyniad Arddull ChicagoWard, R L., and C S. Ashley. Heat Inactivation of Enteric Viruses in Dewatered Wastewater Sludge. 1978.
Dyfyniad MLAWard, R L., and C S. Ashley. Heat Inactivation of Enteric Viruses in Dewatered Wastewater Sludge. 1978.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.