@book{ BC16155853, author = "Singh, Upendra N. and Pappalardo, Gelsomina and SPIE Europe and European Association of Remote Sensing Companies and Society of Photo-optical Instrumentation Engineers", title = "Lidar technologies, techniques, and measurements for atmospheric remote sensing IV : 16-18 September 2008, Cardiff, Wales, United Kingdom", publisher = "SPIE", year = "2008", series = "Proceedings / SPIE -- the International Society for Optical Engineering", number = "v. 7111", URL = "https://ci.nii.ac.jp/ncid/BC16155853" }