diff --git a/books/tecnopolitica/cybersyn.mdwn b/books/tecnopolitica/cybersyn.mdwn
index 46167da32a3c5b82cb8e97943efc0440b2d42d1b..4d3952257ca7b0e803c56e6cfc272fd7ee92e22f 100644
--- a/books/tecnopolitica/cybersyn.mdwn
+++ b/books/tecnopolitica/cybersyn.mdwn
@@ -4,6 +4,10 @@
 * [Cybernetic Revolutionaries | The MIT Press](https://mitpress.mit.edu/books/cybernetic-revolutionaries).
 * Further references [here](https://links.fluxo.info/tags/cybersyn).
 
+## General
+
+* Diagram of The Class War as a homeostatic system, 200.
+
 ## Control and descentralization
 
     Beer’s writings on management cybernetics differed from the contemporaneous