Index: /qipapers.bib
===================================================================
--- /qipapers.bib	(revision 786)
+++ /qipapers.bib	(revision 787)
@@ -22876,2 +22876,11 @@
   author = {Moerner, W.E. and Orrit, M.}
 }
+@article{Ha1996,
+  number = {19},
+  year = {1996},
+  title = {Single Molecule Dynamics studied by Polarization Modulation},
+  pages = {3979-3982},
+  journal = {Physical Review Letters},
+  volume = {77},
+  author = {Ha, T. and Enderle, Th. and Cehmla, D.S. and Selvin, P.R. and Weiss, S.}
+}
