copyright info
diff --git a/AUTHORS b/AUTHORS
index 03f9b01..63671c6 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -1,3 +1,9 @@
+Full list of copyright holders:
+
 Lev Walkin <vlm@lionet.info>
 mkhon @ github
 ymbirtt @ github
+Wim L <wiml@omnigroup.com>
+Bartosz Marcinkiewicz <bma@megawatt.com.pl>
+Daniele Varrazzo <daniele.varrazzo@gmail.com>
+Bent Nicolaisen <BN@JAI.com>