"eBook ISBN","Title","Subtitle","Authors/editors","Copyright year","Edition","DOI","Price (EUR)","Additional info"
"978-3-662-56762-3","Problemlösen in der Mathematik","Ein heuristischer Werkzeugkasten","Wolfgang Schwarz",2018,"1","https://doi.org/10.1007/978-3-662-56762-3",364,""