PCB Design

https://www.edn.com/electronics-blogs/all-aboard-/4460396/A-lifetime-designing-PCBs--Applying-a-designer-perspective-to-BGAs

A lifetime designing PCBs: Applying a designer perspective to BGAs

Methodology for Calculating Electrical Parameters of PCB Transmission Lines for High-Performance Computing Devices

http://pcdandf.com/pcdesign/index.php/magazine/11845-pcb-design-1707

Printed Circuit Design & Fab Online Magazine - Methodology for Calculating Electrical Parameters of PCB Transmission Lines for High-Performance Computing Devices Printed Circuit Design and Fab online Magazine

http://www.circuitrework.com/features/630.html

Ten Rules for Jumper Wires Feature covers the twists and turns of working with jumper wires on assembled circuit boards.