@inproceedings{inproceedings92820d70, title = {A Lagrangian identification of sources of moisture over the Brazilian "Polígono das Secas" during the Rainy Season}, author = {Drumond, A and Nieto, R and Gimeno, L and Ambrizzi, Tércio and Trigo, R}, year = {2009}, publisher = {International Association of Meteorology and Atmospheric Sciences}, booktitle = {IAMAS, IAPSO, IACS Joint Assembly} }