"eBook ISBN","Title","Subtitle","Authors/editors","Copyright year","Edition","DOI","Price (EUR)","Additional info"
"978-3-642-80715-2","Aggregation von Produktionsfunktionen","Klein-Nataf-Aggregation ohne Annahmen über Differenzierbarkeit und Stetigkeit","Fritz Pokropp",1972,"1","https://doi.org/10.1007/978-3-642-80715-2",181,""