To install tree-puzzle-doc just follow these instructions.
/debian/wheezy/main///install/index.html Reconstruction of phylogenetic trees by maximum likelihood Debian 7.0 doc 5.2-7
sudo apt-get install tree-puzzle-doc
Which will install tree-puzzle-doc and any other packages on which it depends.
|Maintainer||Debian Med Packaging Team
|Description||Reconstruction of phylogenetic trees by maximum likelihood|