@book {9783818612542, title = "Fachkundenachweis Honig", author = "Gekeler, Werner", isbn = "9783818612542", url = "http://www.content-select.com/index.php?id=bib_view&ean=9783818612542", url = "https://content-select.com/de/portal/media/view/5fff1b46-cdd4-493c-bb56-678cb0dd2d03", publisher = "Verlag Eugen Ulmer", language = "ger", }