On Wed 06 Jul 2011, Cecil Westerhof wrote:

> What I mean. I have something like:
>
> \chapter{General description}
> .
> .
> This is explained in chapters 7 to 12.
> .
> .
> \chapter{another}
> .
> .
> \chapter{first explaining}  % this is (now) chapter 7
>  .
> .
> \chapter{last explaining} % this is (now) chapter 12
>
> When chapters are added, moved or removed. The chapter numbers in the above
> sentence have to be changed manually. As a real programmer I am lazy and
> want the computer do it for me. :-D

See http://wiki.contextgarden.net/References .