It didn't work
here's the messages I got:
~$ apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
~$ apt-get install libcurl3
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package libcurl3
here is my source list:
#
# deb cdrom:[Debian GNU/Linux wheezy-DI-b4 _Wheezy_ - Official Snapshot i386 DVD Binary-1 20121117-19:20]/ wheezy contrib main
# deb cdrom:[Debian GNU/Linux wheezy-DI-b4 _Wheezy_ - Official Snapshot i386 DVD Binary-1 20121117-19:20]/ wheezy contrib main
deb
http://security.debian.org/ wheezy/updates main contrib
deb-src
http://security.debian.org/ wheezy/updates main contrib
deb
http://ftp.de.debian.org/debian/ wheezy main
deb
http://ftp.de.debian.org/debian/ wheezy non-free contrib
deb-src
http://ftp.de.debian.org/debian/ wheezy main
deb-src
http://ftp.de.debian.org/debian/ wheezy non-free contrib
deb
http://deb-multimedia.org/ wheezy main non-free
deb-src
http://deb-multimedia.org/ wheezy main non-free