DIN 19569-8:2005
污水处理厂.结构和技术设备设计原则.第8部分:粒状介质过滤器和粒状固定台过滤器中污水处理用设备的具体原则
Wastewater treatment plants - Principles for the design of structures and technical equipment - Part 8: Specific principles for the equipment for sewage treatment in granular media filter and granular fixed bed filter