TY - JOUR A1 - Bayat, A. A1 - Masoumi, A. A1 - Khalesifard, H. R. T1 - Retrieval of atmospheric optical parameters from ground-based sun-photometer measurements for Zanjan, Iran JO - Atmos. Meas. Tech. J1 - AMT VL - 4 IS - 5 SP - 857 EP - 863 Y1 - 2011/05/11 PB - Copernicus Publications SN - 1867-8548 UR - https://amt.copernicus.org/articles/4/857/2011/ L1 - https://amt.copernicus.org/articles/4/857/2011/amt-4-857-2011.pdf DO - 10.5194/amt-4-857-2011 ER -