@misc{indiciae9753a718f31d, title = {SPIRE: the SPIDER reconstruction engine.}, author = {William T Baxter and ArDean Leith and Joachim Frank}, year = {2006}, doi = {10.1016/j.jsb.2006.07.019}, url = {https://pubmed.ncbi.nlm.nih.gov/17055743/}, note = {Source identifier: 17055743} }