Distributing New Performant Time and Frequency Services over NREN Networks - Quintin, Nicholas; Bogacki, Wojbor; Chown, Tim; Golub, Ivana; Heiri, Ernst; Jeannin, Xavier; Naegele-Jackson, Susanne; Roberts, Guy; Smotlacha, Vladimir; Turza, Krzysztof; Vojtech, Josef (2020)