diff --git a/doc/bib_manual.bib b/doc/bib_manual.bib
index d1ca163811712baf90b588aab3baac562d7e43dc..3261f04808978ad7c02fef9c33903198839d0f4c 100755
--- a/doc/bib_manual.bib
+++ b/doc/bib_manual.bib
@@ -1341,15 +1341,7 @@ year = "2013",
 note = "",
 issn = "1047-8477",
 doi = "http://dx.doi.org/10.1016/j.jsb.2013.10.006",
-author = "Pilar Cossio and Gerhard Hummer",
-keywords = "Electron microscopy",
-keywords = "Cryo-EM",
-keywords = "Bayesian inference",
-keywords = "Ensemble refinement",
-keywords = "Validation",
-keywords = "Disorder",
-keywords = "GroEL",
-keywords = "\{ESCRT\} "
+author = "Pilar Cossio and Gerhard Hummer"
 }