Tertiary treatment of Berlin WWTP effluents with ferrate (Fe(VI))

von Hübner, U
Veröffentlicht in: Water science and technology : a journal of the International Association on Water Pollution Research (2013)

First performance results of PTB's atomic caesium fountain and a study of contributions to its frequency instability

von Weyers, S
Veröffentlicht in: IEEE transactions on ultrasonics, ferroelectrics, and frequency control (2000)