{
	"version": "1.0",
	"cache_age": 3600,
	"type":"rich",
	"title": "Relationships between humus, soil properies and soil ferility",
	"url": "https://www.library.sk/arl-sldk/sk/detail-sldk_un_cat-r025124-Relationships-between-humus-soil-properies-and-soil-ferility/"
}