Mahesh Abegaonkar & Shiban Kishen Koul 
Printed Resonant Periodic Structures and Their Applications [PDF ebook] 

This book is a reference for researchers who want to learn about resonant periodic structures for applications in microstrip circuits. The readers can learn simple methods to analyze these structures using commercially available software and equivalent circuit modelling. The application examples demonstrated in the book will open up new research ideas in this field.