Cellular Internet of ThingsOlof Liberg, Eric Wang, Johan Bergman, Joachim Sachs, Marten Sundberg · First published 2017Open the Tome
Vestigia LeonisHans-Joachim Behr, Herbert Blume, Michel Wyssenhere, Hans Sachs · First published 1995Open the Tome
Theologische EnzyklopädieFriedrich Schleiermacher, Walter Sachs, Hans-Joachim Birkner · First published 1987Open the Tome
