lastdingo
Blogger http://defense-and-freedom.blogspot.de/
Blog post about it with somewhat botched English:
http://defense-studies.blogspot.de/2014/02/the-first-image-of-vietnam-battleship.html
apparent Vietnamese original text
http://baodatviet.vn/quoc-phong/quoc-phong-viet-nam/hinh-anh-dau-tien-ve-chien-ham-sigma-9814-viet-nam-3002178/
SIGMA class family in general (Dutch ship family)
https://en.wikipedia.org/wiki/Sigma-class_corvette
http://www.janes.com/article/26167/vietnam-to-order-dutch-corvettes
http://defense-studies.blogspot.de/2013/11/france-selling-exocet-block-3-for-two.html
http://www.defenseindustrydaily.com/more-than-the-sum-of-its-parts-dutch-sigma-ships-for-vietnam-07173/
http://topwar.ru/40491-oblik-vetnamskih-korvetov-proekta-sigma-9814.html
http://defense-studies.blogspot.de/2014/02/the-first-image-of-vietnam-battleship.html
apparent Vietnamese original text
http://baodatviet.vn/quoc-phong/quoc-phong-viet-nam/hinh-anh-dau-tien-ve-chien-ham-sigma-9814-viet-nam-3002178/
SIGMA class family in general (Dutch ship family)
https://en.wikipedia.org/wiki/Sigma-class_corvette
http://www.janes.com/article/26167/vietnam-to-order-dutch-corvettes
http://defense-studies.blogspot.de/2013/11/france-selling-exocet-block-3-for-two.html
http://www.defenseindustrydaily.com/more-than-the-sum-of-its-parts-dutch-sigma-ships-for-vietnam-07173/
http://topwar.ru/40491-oblik-vetnamskih-korvetov-proekta-sigma-9814.html
