{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"A Relativist's Toolkit: The Mathematics of Black-Hole Mechanics","author_name":"Eric Poisson","thumbnail_url":"https://www.ebooknetworking.net/books/052/153/big0521537800.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0521537800.html\">A Relativist&#039;s Toolkit: The Mathematics of Black-Hole Mechanics</a>","width":400,"height":300}