{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"The discovery of the halogen elements: Teacher's guide (History of science cases)","author_name":"Leopold E Klopfer","thumbnail_url":"https://www.ebooknetworking.net/books/B00/07E/bigB0007EZZ6I.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B0007EZZ6I.html\">The discovery of the halogen elements: Teacher&#039;s guide (History of science cases)</a>","width":400,"height":300}