PEG-treating in conservating a dongsonian dugout log coffin of 2300 years old
Muong' weaving decoration with phoenix and dragon designs (Muong Textile Study)
Skull at Bach Dang poles excavation
Studio via modern X-ray film to controle relationship between facial sorf tissues and facial bone (Project : Facial reconstruction for prehistoric human skulls)
The S.E.M image to look for prehistoric bacterien from a Dongsonian ramie cloth fabric.