calibcant/theory.tex: Cite roters96 for eq:model-psd

diff --git a/src/calibcant/theory.tex b/src/calibcant/theory.tex
index 9c79d182e21a956a5d88360b098469c3cbd53af4..a38793555cdc016b906abeca9d40eb534a44ec38 100644 (file)
--- a/src/calibcant/theory.tex
+++ b/src/calibcant/theory.tex
@@ -225,7 +225,9 @@ We compute the \PSD\ by plugging \cref{eq:DHO-xmag} into
 \end{equation}
 \index{PSD@\PSD}
 
-Plugging \cref{eq:GOdef} into \cref{eq:DHO-psd-F} we have
+Plugging \cref{eq:GOdef} into \cref{eq:DHO-psd-F} we have\footnote{
+  \Cref{eq:model-psd} is \xref{roters96}{equation}{4}
+}
 \begin{equation}
   \PSD(x, \omega) = \frac{G_0/m^2}{(\omega_0^2-\omega^2)^2 +\beta^2\omega^2}\;.
     \label{eq:model-psd}