{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Integrated Physics and Chemistry. Unit 4 (Sound and Wave). Unit 5 (Light and Optics). Teacher's Guide","author_name":"","thumbnail_url":"https://www.ebooknetworking.net/books/158/892/big158892016X.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-158892016X.html\">Integrated Physics and Chemistry. Unit 4 (Sound and Wave). Unit 5 (Light and Optics). Teacher&#039;s Guide</a>","width":400,"height":300}