Updated reference

functions/fresnelPropagation/fresnelPropagationKernel.m

@@ -38,7 +38,7 @@ function kernel = fresnelPropagationKernel(N, fresnelNumbers, settings)
 %          the scattering angle of image-features to physically correct range
 %          defined by Abbe's criterion. In particular, this suppresses the artifacts
 %          that typically arise for method 'chirp' at larger Fresnel-numbers.
-%          This variant has been proposed in Aike Ruhlandt's PhD-thesis :cite:`Ruhlandt__2017`.
+%          This variant has been proposed in Aike Ruhlandt's PhD-thesis :cite:`Ruhlandt_Diss_2017`.
 %     'pixel2pixel' 
 %          Implements analytically exact Fresnel-propagation, if both the image
 %          and its propagated version are thought of as piecewise constant functions