The most famous hoabinhian cave of Xom Trai (Lac Son, Hoa Binh, Vietnam)
The dongsonian bronze drum excavated in burial field Dong Xa (Kim Dong, Hung Yen, Vietnam) in detail.
Studio via modern X-ray film to controle relationship between facial sorf tissues and facial bone (Project : Facial reconstruction for prehistoric human skulls)
PEG-treating in conservating a dongsonian dugout log coffin of 2300 years old
12.500 years old chared fruit fragments as food remains excavated in the Hoabinhian cave of Con Mong (Thanh Hoa, Vietnam)