@misc{indiciaec72137de6230, title = {ASPEN Version 3.0}, author = {Rabideau, Gregg and Chien, Steve and Knight, Russell and Schaffer, Steven and Tran, Daniel and Cichy, Benjamin and Sherwood, Robert}, year = {2006}, url = {https://ntrs.nasa.gov/citations/20110013069}, note = {Source identifier: 20110013069} }