Signal Integrity on PCB layout

[trigger]

Are there any good books or websites which have deep down discussions in Signal integrity on PCB layout (high speed digital circuit) ??

Thanks alot.

 

[trigger]

OK, I finally find 3 books for Signal Integrity... in pdf format

http://downloads.pcbtech.cn/SI-Book.rar

(35MB)
These books may be violating the copyrights.... so download them at your own risk.

 

[Johnsteave7]

I may suggest you to visit the link where you get vast knowledge about PCB
Thanks!!!