{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The Congruences of a Finite Lattice: A Proof-by-Picture Approach","author_name":"George Grätzer","thumbnail_url":"https://www.ebooknetworking.net/books/081/763/big0817632247.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-0817632247.html\">The Congruences of a Finite Lattice: A Proof-by-Picture Approach</a>","width":400,"height":300}