Sources:
http://karopka.ru/forum/forum185/topic4526/?PAGEN_1=4
http://modelforum.cz/viewtopic.php?f=1&t=68170&start=3360
Ark Models is to release very soon a 1/48th Polikarpov I-158 kit - ref.AK48045
More about Ark Models: http://www.war.ee/modelling_area/view_article.php?id=291&lang_id=1
V.P.