{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Helical and Spiral Antennas: A Numerical Approach (Electronic & Electrical Engineering Research Studies: Electromagnetic Applications)","author_name":"Hisamatsu Nakano","thumbnail_url":"https://www.ebooknetworking.net/books/086/380/big0863800602.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0863800602.html\">Helical and Spiral Antennas: A Numerical Approach (Electronic &amp; Electrical Engineering Research Studies: Electromagnetic Applications)</a>","width":400,"height":300}