TY - JOUR AU - Roy Garstang BT - The Observatory DA - 10/1991 N1 - JILA Pub. 4456 PY - 1991 SP - 239 EP - 243 T2 - The Observatory TI - The absorption and scattering properties of Saharan and volcanic dust UR - http://adsabs.harvard.edu/full/1991Obs...111..239G VL - 111 ER -