I'm just starting with Latex and Bibtex, and now I've got a problem with the bibtex sorting. I am writing a bachelorthesis, where we have set a specific .bst file, the natdin.bst.

We have to sort the items by last name of the author/editor - that works perfectly. But then we have some other items like technical standards - these should appear in alphanumeric order, but BEFORE alle the other items like books/articels etc.

How can I manage to do that? Do I have to change the whole bibliography-style? Or is there a way to order them manually?

And then there is another thing: I get the error \begin{thebibliography}{27} (or the number, how much entrys I have in my .bib-file) when I compile my latex code. Seems that there is an item missing, but I don't know why, I am using TexShop on Mac with BibDesk for the bibtex-part.

The bibliography is done in tex by:


which is included in an extra .sty-file, and


in the main.tex file.

Thanks a lot in advance

  • Please tell us more about these "other items like technical standards." Do they have a common entry type? Do they lack author and year fields? If so, how are they cited? Separately, do you use a citation management package such as natbib? – Mico Apr 11 '16 at 11:18
  • The entry type is book (at least for now, and that's how it seems to be standard). The used fields are title, publisher, year, author, address and optional keywords. I don't use a citation management package as far as I know - where could I find that? – Manu Apr 11 '16 at 16:02
  • Please confirm: You're using the entry type @book for "other items like technical standards". Separately, examples of citation management packages are natbib and cite. – Mico Apr 11 '16 at 17:27
  • jep thats right. That's how they told us to do :P Im using the management package cite – Manu Apr 12 '16 at 8:34
  • 1
    The header information in natdin.bst states unequivocally that this bibliography style must be used together with the natbib package. Note that the cite and natbib packages are mutually incompatible. I suggest you stop loading the cite package and start loading the natbib package, preferably with the options numbers and square. Be sure to re-run LaTeX, BibTeX, and LaTeX twice more to propagate all changes. – Mico Apr 12 '16 at 8:53

I've done a quick workaround, and now it works like it should. It may not be the best solution, but it fits my needs:

I defined a new command, which is empty:


It has 3 "a"s, because thats no common Latex command and this should likely be the first alphanumeric order ever - and if its not I can change it to e.g. \aaaa or more.

In the bibliography, I write in the author field:


Because Bibtex orders just after the characters, this entry will be put first in the bibliography. If I have some other entrys, I can easyly define some commands like \aab \aac etc, to put them in the correct order.

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