@book{27547,
	author = {Singh, Upendra, ed.},
	title = {Lidar Remote Sensing for Environmental Monitoring IV},
	publisher = {SPIE},
	year = {2003},
	series = {Proceedings of SPIE; V. 5154},
	address = {Washington, USA},
	url = {https://www.spiedigitallibrary.org/conference-proceedings-of-spie/5154}
}