A sufficient condition for non-uniqueness in binary tomography with absorption.

Attila Kuba Maurice Nivat A sufficient condition for non-uniqueness in binary tomography with absorption. 335-357 2005 346 Theor. Comput. Sci. 2-3 http://dx.doi.org/10.1016/j.tcs.2005.08.024 db/journals/tcs/tcs346.html#KubaN05