@article {1622,
	title = {Comparing alpine watershed attributes from lidar, Photogrammetric, and Contour-based Digital Elevation Models},
	journal = {Hydrological Processes},
	volume = {23},
	year = {2009},
	pages = {451-463},
	author = {Hopkinson, C and Hayashi, M. and Peddle, D}
}