bibclean software package provides pretty-printer for BibTeX databases, you can install in your Ubuntu 16.04 LTS (Xenial Xerus) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install bibclean
bibclean is installed in your system.
Make ensure the bibclean package were installed using the commands given below,
$ sudo dpkg-query -l | grep bibclean *
You will get with bibclean package name, version, architecture and description in a table
| Distro | Ubuntu 16 04 lts xenial xerus |
| Section | TeX |
| Package | bibclean |
| Version | 2.11.4.1-4 |
| Description | pretty-printer for BibTeX databases |
| Sub Section | TeX |