--- a/text/ncat.tex	Fri Jun 17 12:12:53 2011 -0600
+++ b/text/ncat.tex	Fri Jun 17 20:56:27 2011 -0600
@@ -680,7 +680,7 @@
 %of our auxiliary category are sets with extra structure.
 First we must specify requirements for the auxiliary category.
 It should have a {\it distributive monoidal structure} in the sense of 
-\nn{Stolz and Teichner, Traces in monoidal categories, 1010.4527}.
+\cite{1010.4527}.
 This means that there is a monoidal structure $\otimes$ and also coproduct $\oplus$,
 and these two structures interact in the appropriate way.
 Examples include