"eBook ISBN","Title","Subtitle","Authors/editors","Copyright year","Edition","DOI","Price (EUR)","Additional info"
"978-3-642-47362-3","Der Hochfrequenz -Verstärker","Ein Leitfaden für Radio-Techniker","Max Baumgart",1924,"1","https://doi.org/10.1007/978-3-642-47362-3",201,""