General land pattern/foot print SW or litterature

Hello all

I'm designing a compact switch circuit where I need to use a reduced-size foot print for some 0805-resistors.
Now, I remember at one time having either a program or litterature showing me foot print sizes and measurements for most standard packages, including the 0805 package.
I recall that the foot prints were rated A, B or C, with A being the standard/recommended size and C being the smallest possible size.
Do any of you know how to find this SW/litterature again?
I remember getting it from the 'net, for free via official channels, so it must be freeware, shareware or similar sort of costless ware.

I hope you can help me find it again
Thanks..

An electronics industry organization called IPC has recommendations for board layout patterns. As search terms, ipc pc board layout standards seems to bring up potentially useful stuff.

Hey mneary
It turned out, I was thinking about the free LP Viewer from PCB Matrix. Gotta love that program as a layouter.
Thanks for the help