2018 | 
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| 1. | Validation of Calitoo hand-held sun photometer for aerosol characterization under background and dust conditions Conference Tenerife, Spain, 22-24 May de 2018, 2018, (9th International Workshop on Sand/Duststorms and Associated Dustfall).  | 
| 2. | Aerosol characterization using Calitoo hand-held sunphotometer at the District 22 of Tehran Conference Tenerife, Spain, 22-24 May de 2018, 2018, (9th International Workshop on Sand/Duststorms and Associated Dustfall).  |