{
	"version": "1.0",
	"cache_age": 3600,
	"type":"rich",
	"provider_name": "ObálkyKnih.cz",
	"provider_url": "https://obalkyknih.cz/",
	"thumbnail_url": "https://cache1.obalkyknih.cz/file/cover/3464214/medium",
	"thumbnail_width": "170",
	"thumbnail_height": "240",
	"width": "510"width",
	"height": "740",
	"title": "The effective use of physical theories of conversion of energy 2002",
	"url": "https://katalog.cbvk.cz/arl-cbvk/cs/detail-cbvk_us_cat-1382430-The-effective-use-of-physical-theories-of-conversion-of-energy-2002/"
}