{
	"version": "1.0",
	"cache_age": 3600,
	"type":"rich",
	"title": "Visual tree grading systems for estimating lumber yields in young and mature southern pine",
	"url": "https://www.library.sk/arl-sldk/sk/detail-sldk_un_cat-r030656-Visual-tree-grading-systems-for-estimating-lumber-yields-in-young-and-mature-southern-pine/"
}