You can refer to :

1. "High-Speed Digital Design - A Handbbook of Black Magic" by Dr Howard
Johnson & Martin Graham at Section 5.6 Guard Traces and Page 262.

2. PCB Design Techniques for EMC Compliance by Mark I. Montrose Section 4.11 &
4.16.

Hope they help.
Regards.

Hope Lariosa wrote:

> I find it hard to believe my search results for guard traces and shielding
> were 0 when ran through the archive search of the Designer Council and
> PCDMag.  Can anyone point me in the right direction concerning this topic?
> Besides general info, I'm also trying to learn the specifics on how to go
> about preparing and routing these types of traces.
> Thanks much in advance for any info!