1===============
2Further Reading
3===============
4
5For a short but informative introduction to the subject we recommend
6the booklet by [Madsen]_ . For a general introduction to non-linear
7optimization we recommend [NocedalWright]_. [Bjorck]_ remains the
8seminal reference on least squares problems. [TrefethenBau]_ book is
9our favorite text on introductory numerical linear algebra. [Triggs]_
10provides a thorough coverage of the bundle adjustment problem.
11