International
Tables for Crystallography Volume B Reciprocal space Edited by U. Shmueli © International Union of Crystallography 2010 
International Tables for Crystallography (2010). Vol. B, ch. 1.3, pp. 6566

Shannon's sampling and interpolation theorem (Section 1.3.2.7.1) takes two different forms, according to whether the property of finite bandwidth is assumed in real space or in reciprocal space.
References
Bricogne, G. (1974). Geometric sources of redundancy in intensity data and their use for phase determination. Acta Cryst. A30, 395–405.Sayre, D. (1952b). Some implications of a theorem due to Shannon. Acta Cryst. 5, 843.
Sayre, D. (1952c). The Fourier transform in Xray crystal analysis. In Computing Methods and the Phase Problem in Xray Crystal Analysis, edited by R. Pepinsky, pp. 361–390. State College: Penn. State University.