{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Practical calculation of dynamo-electric machines. A manual for electrical and mechanical engineers and a textbook for students of electro-technics;","author_name":"Alfred Eugene Wiener","thumbnail_url":"https://www.ebooknetworking.net/books/117/802/big1178025551.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1178025551.html\">Practical calculation of dynamo-electric machines. A manual for electrical and mechanical engineers and a textbook for students of electro-technics;</a>","width":400,"height":300}