BibTex format
@article{Simpson:2013:10.2514/1.J052136,
author = {Simpson, RJS and Palacios, R and Murua, J},
doi = {10.2514/1.J052136},
journal = {AIAA Journal},
pages = {1--10},
title = {Induced Drag Calculations in the Unsteady Vortex Lattice Method},
url = {http://dx.doi.org/10.2514/1.J052136},
year = {2013}
}