{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Helical and Spiral Antennas: A Numerical Approach (Electromagnetic Series)","author_name":"Hismatsu Nakano","thumbnail_url":"https://www.ebooknetworking.net/books/047/191/big0471917362.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0471917362.html\">Helical and Spiral Antennas: A Numerical Approach (Electromagnetic Series)</a>","width":400,"height":300}