jabref software package provides graphical frontend to manage BibTeX databases, you can install in your Ubuntu 12.04 LTS (Precise Pangolin) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install jabref
jabref is installed in your system.
Make ensure the jabref package were installed using the commands given below,
$ sudo dpkg-query -l | grep jabref *
You will get with jabref package name, version, architecture and description in a table
| Distro | Ubuntu 12 04 lts precise pangolin |
| Section | TeX |
| Package | jabref |
| Version | 2.7~beta1+ds-5 |
| Description | graphical frontend to manage BibTeX databases |
| Sub Section | TeX |