Some papers about Microstrip, enjoy it!

it includes:
ADS for microstrip demo
Boundary Intergral Equation
Coupling between a Microstrip Trace Pair.pdf
Finite Element Mehtod for Eigenvalue problems.pdf
Microstrip between lines.pdf
Microstrip Conductor Loss_models Mar03.pdf
microstrip filter.pdf
mirostripline_capacitor_decoupling.pdf
mtt2002_mstrip.pdf
Physical Optics Approximation.pdf
Representation of Wave Function by Using Green Function2.pdf
Representation of Wave Function by Using Green Function.pdf
stripline to microstripline_coupler.pdf
time domain_microstrip.pdf
Wave Equations and Numerical Simulation of Waves.pdf
Wave Theory 2 for FEM.pdf
Wave Theory 2 for Finite Difference Method.pdf

enjoy it! :)