@article {49036,
	title = {Stream network modelling using lidar and photogrammetric digital elevation models : a comparison and field verification},
	volume = {22},
	year = {2008},
	pages = {1747-1754},
	publisher = {Hydrological Processes},
	url = {http://www3.interscience.wiley.com/cgi-bin/fulltext/114801741/PDFSTART},
	author = {Murphy, Paul N. C. and Ogilvie, Jae and Meng, Fan-Rui and Arp, Paul}
}
