Schroeder, G., & Grubmueller, H. (2004). FRETsg: Biomolecular structure model building from multiple FRET experiments. Computer Physics Communications, 158(3), 150-157. Retrieved from http://www.sciencedirect.com/science?_ob=MImg&_imagekey=B6TJ5-4BYR8SD-1-1B&_cdi=5301&_user=38661&_orig=search&_coverDate=04%2F15%2F2004&_sk=998419996&view=c&wchp=dGLzVlz-zSkzk&md5=6f64489ca6790ad147e4e9be14416e90&ie=/sdarticle.pdf.