German standard methods for the examination of water, waste water and sludge; physical and physicochemical parameters (group C); determination of radionuclides in drinking water, ground water, surface water and waste water by <gamma>-ray spectrometry (C 16)
德国水、废水和污泥检验标准方法;理化指标(C组);用<gamma>射线光谱法(C 16)测定饮用水、地下水、地表水和废水中的放射性核素