@misc{indiciae0e47d6ad3e4a, title = {CALIPSO Polar Stratospheric Cloud Observations from 2006-2015}, author = {Pitts, Michael C. and Poole, Lamont R.}, year = {2015}, url = {https://ntrs.nasa.gov/citations/20160006941}, note = {Source identifier: 20160006941} }