Marshall, Herman L., and Norbert S. Schulz. “Soft X-Ray Polarimeter: Potential Instrumentation and Observations”. Acta Polytechnica CTU Proceedings 1, no. 1 (December 4, 2014): 288–292. Accessed December 6, 2025. https://ojs.cvut.cz/ojs/index.php/APP/article/view/2422.