Developing an Underwater Network of Ocean Observation Systems With Digital Twin Prototypes - A Field Report From the Baltic Sea. - Alexander Barbie; Niklas Pech; Wilhelm Hasselbring; Sascha Flögel; Frank Wenzhöfer; Michael Walter 002; Elena Shchekinova; Marc Busse; Matthias Türk; Michael Hofbauer; Stefan Sommer (IEEE Internet Comput., 2022)