@article {1793,
	title = {Towards a universal lidar canopy height indicator},
	journal = {Canadian Journal of Remote Sensing},
	volume = {32},
	year = {2006},
	pages = {139-152},
	author = {Hopkinson, C and Chasmer, L and Lim, K. and Treitz, P. and Creed, I.}
}
