(Sofia Echo - 07/05/07; BTA, Sofia News Agency, Dnevnik, Mediapool, Focus news Agency, Netinfo, Guvernul Bulgariei - 06/05/07; AFP - 05/05/07; Sofia News Agency - 04/05/07)
(Sofia Echo - 07/05/07; BTA, Sofia News Agency, Dnevnik, Mediapool, Focus news Agency, Netinfo, Bulgarian Government - 06/05/07; AFP - 05/05/07; Sofia News Agency - 04/05/07)