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Hi i have the following bibliographic entry:

author = {Wikipedia},
title = {{Software performance testing}},
url = {http://en.wikipedia.org/wiki/Software\_performance\_testing\#Load\_testing},
urldate = {2013-07-10}

This entry gets rendered like the following in the bibliography: enter image description here

if i add a year tag of 2012 to the entry, it becomes: enter image description here

I think this is wrong, shouldn't i say something like (o.D. is a german abbreviation for no date, "Besucht am" is "visited at")

Wikipedia o.D. Software Performance testing. Besucht am 10.Juli 2013

? How can i achieve this?

marked as duplicate by Mensch, Thorsten, Torbjørn T., Heiko Oberdiek, lockstep Aug 21 '13 at 18:17

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