{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Practical calculation of transmission lines: for distribution of direct and alternating currents by means of overhead, underground, and interior wires for purposes of light, power and traction","author_name":"Leon Walter. Rosenthal","thumbnail_url":"https://www.ebooknetworking.net/books/B00/66Y/bigB0066YD4P2.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0066YD4P2.html\">Practical calculation of transmission lines: for distribution of direct and alternating currents by means of overhead, underground, and interior wires for purposes of light, power and traction</a>","width":400,"height":300}