{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Some master-keys of the science of notation; a sequel to Philosophy and fun of algebra","author_name":"Mary Boole","thumbnail_url":"https://www.ebooknetworking.net/books/117/698/big1176986058.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-1176986058.html\">Some master-keys of the science of notation; a sequel to Philosophy and fun of algebra</a>","width":400,"height":300}