libbt software package provides transitional package for libbt0, you can install in your Debian 7 (Wheezy) by running the commands given below on the terminal,
$ sudo apt-get update $ sudo apt-get install libbt
libbt is installed in your system.
Make ensure the libbt package were installed using the commands given below,
$ sudo dpkg-query -l | grep libbt *
You will get with libbt package name, version, architecture and description in a table
| Distro | Debian 7 wheezy |
| Section | Old Libraries |
| Package | libbt |
| Version | 0.70.1-13 |
| Description | transitional package for libbt0 |
| Sub Section | oldlibs |