Possible hard X-ray shortages in bursts from KS 1731-260 and 4U 1705-44 L. Ji, S. Zhang, Y.-P. Chen, S.-N. Zhang, P. Kretschmar, J.-M. Wang and J. Li A&A, 564 (2014) A20 Published online: 28 March 2014 DOI: 10.1051/0004-6361/201322981