{"version":"1.0","type":"rich","provider_name":"EbookNetworking","provider_url":"https://www.ebooknetworking.net","title":"Heart rate training for endurance athletes - an introduction","author_name":"Ali Hollington, Ken Maclaren","thumbnail_url":"https://www.ebooknetworking.net/books/B00/9HF/bigB009HFOS5M.jpg","thumbnail_width":330,"thumbnail_height":500,"html":"<a href=\"https://www.ebooknetworking.net/books_detail-B009HFOS5M.html\">Heart rate training for endurance athletes - an introduction</a>","width":400,"height":300}