diff --git a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
index 798d002ff6..65f126b20a 100644
--- a/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
+++ b/en_US.ISO8859-1/articles/contributors/contrib.additional.sgml
@@ -8826,6 +8826,11 @@
deen@smz.com.ua
+
+ Sergey Kandaurov
+ pluknet@gmail.com
+
+
Sergey Kosyakov
ks@itp.ac.ru