Index: /qipapers.bib
===================================================================
--- /qipapers.bib	(revision 226)
+++ /qipapers.bib	(revision 227)
@@ -18642,2 +18642,10 @@
   author = {Beleggia, M. and Schofield, M.A. and Volkov, V.V. and Zhu, Y.}
 }
+@article{Bronnikov2002,
+  year = {2002},
+  title = {Theory of quatitative phase-contrast computed tomography},
+  pages = {472-480},
+  journal = {Journal of the Optical Society of America A},
+  volume = {19},
+  author = {Bronnikov, A.V.}
+}