The Station Book interface was designed and implemented by ORFEUS Data Center (ODC) and ETH Zurich, using funding from NERA. The schema of the SeisComP3's database extension for Station Book was designed by ETH Zurich. The UML data model of this extension can be downloaded here: Station Characterization / Site Characterization.
SeisComP3 is an earthquake monitoring software developed by GFZ Potsdam and Gempa GmbH, largely used in Europe and worldwide.
The EIDA data access portal (WebDC3) is developed at GFZ Potsdam.
The data user is kindly requested to provide proper reference to the data suppliers: http://www.orfeus-eu.org/eida/eida_acknowledgement.html