Design and Tests of the Hard X-ray Polarimeter X-Calibur Beilicke, M. ; Cowsik, R. ; Dowkontt, P. ; Guo, Q. ; Kislat, F. ; Barthelmy, S. ; Okajima, T. ; Mitchell, J. W. ; Schnittman, J. ; Zeiger, B. ; De Geronimo, G. ; Baring, M. G. ; Bodaghee, A. ; Miyazawa, T. ; Finkelstein, K. D. ; Krawczynski, H. Abstract Publication: Multifrequency Behaviour of High Energy Cosmic Sources Pub Date: November 2014 DOI: 10.14311/APP.2014.01.0293 Bibcode: 2014mbhe.conf..293B