"eBook ISBN","Title","Subtitle","Authors/editors","Copyright year","Edition","DOI","Price (EUR)","Additional info"
"978-3-658-02933-3","Business Travel Management","Praxis-Know-how für den Einkäufer","Rüdiger Mahnicke",2013,"1","https://doi.org/10.1007/978-3-658-02933-3",187,""