DIN 38412-13:1983 德国对水、废水和污泥的标准检验法.水生物试验法(L组).用明暗瓶法测定水域中氧的生成及氧的消耗.SPG及SVG(L13)(生物通气率的测定)
German standard methods for the examination of water, waste water and sludge; test methods using water organisms (group L); determination of oxygen production and oxygen consumption in an aquatic environment (SPG and SVG) by means of the light and dark bo