diff --git a/doc/paper/taler.bib b/doc/paper/taler.bib
index deaab570c..67bf07c25 100644
--- a/doc/paper/taler.bib
+++ b/doc/paper/taler.bib
@@ -97,6 +97,19 @@
   organization={Springer}
 }
 
+
+@inproceedings{Camenisch05compacte-cash,
+    author = {Jan Camenisch and Susan Hohenberger and Anna Lysyanskaya},
+    title = {Compact e-cash},
+    booktitle = {In EUROCRYPT, volume 3494 of LNCS},
+    year = {2005},
+    pages = {302--321},
+    publisher = {Springer-Verlag}
+    url = {http://cs.brown.edu/~anna/papers/chl05-full.pdf},
+    url_citeseerx = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.136.4640}
+}
+
+
 @inproceedings{zerocash,
   author = 	 {Eli Ben-Sasson and Alessandro Chiesa and Christina Garman and Matthew Green and Ian Miers and Eran Tromer and Madars Virza},
   title = 	 {Zerocash: Decentralized Anonymous Payments from Bitcoin},
@@ -122,7 +135,7 @@
   year =      {2014},
 }
 
-@book{ engels1844,
+@book{engels1844,
   author = 	 "Friedrich Engels",
   title = 	 "{Umrisse zu einer Kritik der National\"okonomie}",
   year = 	 "1844",
@@ -236,3 +249,6 @@
   doi_url="http://dx.doi.org/10.1007/3-540-44598-6_14",
   url="https://www.iacr.org/archive/crypto2000/18800229/18800229.pdf"
 }
+
+
+
diff --git a/doc/paper/taler.tex b/doc/paper/taler.tex
index 6fa0df882..4fad0f4a3 100644
--- a/doc/paper/taler.tex
+++ b/doc/paper/taler.tex
@@ -292,12 +292,14 @@ multiple transactions can be linked to each other.
 Performing fractional payments using $k$-show signatures is also 
 rather expensive.
 
-%
+% For longer non-conference version :
+% -Add note on Carmenisch's compact e-cash withdrawals \cite{Camenisch05compacte-cash}
+% -Add note on Merkle tree based scheme that inspired Zerocash
+
 %Some argue that the focus on technically perfect but overwhelmingly
 %complex protocols, as well as the the lack of usable, practical
 %solutions lead to an abandonment of these ideas by
 %practitioners~\cite{selby2004analyzing}.
-%
 
 % FIXME: ask OpenCoin dev's about this! Then make statement firmer!
 To our knowledge, the only publicly available effort to implement