{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Lagrangian Interaction: An Introduction To Relativistic Symmetry In Electrodynamics And Gravitation (Brooks/Cole Series in Educational)","author_name":"Noel Doughty","thumbnail_url":"https://www.ebooknetworking.net/books/020/141/big0201416255.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0201416255.html\">Lagrangian Interaction: An Introduction To Relativistic Symmetry In Electrodynamics And Gravitation (Brooks/Cole Series in Educational)</a>","width":400,"height":300}