Contributed By: Koushik S Course: be College/Institute/Organization: Visvesvaraya Technological University Department/Designation: Electronics and Communication Book Title: Antennas and Wave Propagation Author: John. D. Kraus, Ronald J Marhefka and Ahmad S Khan Publisher: Tata McGraw Hill Education Private Limited, New Delhi - 110 008 Year of publication: 2012 Isbn: 987-0-07-067155-3 Edition: Fourth Edition