@book{330012,
	title = {Automated measurement of heterogeneity in CT images of healthy and diseased rat lungs using variogram analysis of an octree decomposition},
	publisher = {BMC Medical Imaging},
	url = {http://bmcmedimaging.biomedcentral.com/articles?tab=keyword&searchType=journalSearch&sort=PubDate&volume=14&page=2}
}