Strip transmission lines.

Analysis methods for RF, microwave, and millimeter-wave planar transmission line structures-(E-BOOK) Nguyen, Cam 2000 Microwave engineering using microstrip circuits Fooks, E. H. 1990 Practical microstrip design and applications Kompa, Günter 2005 Practical microstrip design and applications Kompa, Gunter 2005 Principles of microwave circuits Massachusetts Institute of Technology 1948