TY - RPRT TI - Nocturnal aerosol optical depth measurements with a small-aperture automated photometer using the moon as a light source AU - T.A. Berkoff AU - M. Sorokin AU - T. Stone AU - T.F. Eck AU - R. Hoff AU - E. Welton AU - B. Holben PY - 2011 DO - 10.1175/jtech-d-10-05036.1 UR - https://pubs.usgs.gov/publication/70032383 ID - 70032383 ER -