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I have a couple of questions on biblatex.

First: When I use the urldate field in a biblatex entry, I get as a result the following string (e.g.):

. . . (visited on 01/02/2012).

With \DefineBibliographyStrings{english} I can change the label visited on, but cannot change the fact that the resulting string is included within parentheses. Is there a way to remove them?

Second: When typesetting biblatex entries that contain URLs, the result (in authoryear-comp, at least) always prints in small caps the label "url:". Is there a way to change it to something like "Available at"? I tried unsuccessfully the following:

  url = {Available at}


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up vote 15 down vote accepted



  available = {available at},




  author = {Author, A.},
  year = {2001},
  title = {Alpha},
  url = {tex.stackexchange.com},
  urldate = {2012-04-08},






enter image description here

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Cool! Thanks a lot! – NVaughan Apr 8 '12 at 17:04
available in DefineBibliographyStrings shall be replaced with url otherwise it results in an error. – mlt Nov 27 '12 at 8:52

All formats of biblatex defined in the file biblatex.def which is part of the documentation.


The default format of the field urldate is:


To remove the parentheses use:



Works like the first method.

The default of biblatex.def is:


whereby \mkbibacro prints acronyms in small caps if possible. So there is no bibliography string url. You can define one and uses as usual.

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Great, thanks! What if I wanted to remove the space before "Retrieved:" (e.g., if wanted ", retrieved ")? I tried the following solution: \DeclareFieldFormat{urldate}{\hspace{-1ex}, retrieved\space#1}, but there must be a more elegant one, I assume. – NVaughan Apr 8 '12 at 17:02

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