American journal of public health · 1925 · 74 citations · 0 references
EngineeringEnvironmental EngineeringEnvironmental SciencesWastewater TreatmentWater Resources EngineeringWater TreatmentMunicipal Water TreatmentSewerage EngineeringSludge DisposalSludge TreatmentWastewater ManagementWater SanitationMunicipal Wastewater TreatmentSewage Sludge TreatmentSewage Treatment Systems