TY - RPRT TI - Investigation of clouds spatial distribution using ground-based lidar AU - Kolev, I. N. AU - Parvanov, O. P. AU - Kaprielov, B. K. AU - Ilev, I. K. PY - 1986 UR - https://ntrs.nasa.gov/citations/19870000916 ID - 19870000916 ER -