TY - JOUR T1 - Unsteady Blade Element-Momentum Method Including Returning Wake Effects JO - Journal of Aerospace Technology and Management A1 - Silva, Cláudio Tavares A1 - Donadon, Maurício Vicente SN - 2175-9146 UL - 105028/jatm.v5i1.163 VL - 5 Y1 - 2013 PB - Brasil ER -