% You need the following packages in the main file to let this entry work: % \usepackage[english,ngerman]{babel} multilingual support % \usepackage{url} urls formatting % \usepackage{hyperref} make url klickable, recommended % Just put them into the preamble of the main .tex-file. % You should possibly make some changes to the typography of this entry, % e.g. quotation marks. % Which fields of this entry will be shown in the bibliography depends on the bibtex-style, which you use @book{oai:export, @kein reference type{oai:export, author = {Johann Jacob Scheuchzer}, title = {Uresiphoites helveticus, sive itinera per Helvetiae alpinas regiones. - Tomus primus}, publisher = {Vander Lugduni Batavorum 1723}, url = { \url{http://edoc.hu-berlin.de/docviews/abstract.php?id=27597} }, url = { \url{urn:nbn:de:kobv:11-10070884} }, url = { \url{urn:nbn:de:kobv:11-10070129} }, timestamp = {2013-05-24T11:23:20Z} }