Thitikorn Bunyongkul. 1999. Tectonic settings of the Southern Kitaka area, Japan, deduced from detrital chromian spinels fo middle to upper paleozoic beds. Graduate School, Chulalongkorn University;
Thitikorn Bunyongkul. (1999) Tectonic settings of the Southern Kitaka area, Japan, deduced from detrital chromian spinels fo middle to upper paleozoic beds . Chulalongkorn University/Bangkok.
Thitikorn Bunyongkul. Tectonic settings of the Southern Kitaka area, Japan, deduced from detrital chromian spinels fo middle to upper paleozoic beds. . Bangkok:Chulalongkorn University, 1999.
Thitikorn Bunyongkul. (1999) Tectonic settings of the Southern Kitaka area, Japan, deduced from detrital chromian spinels fo middle to upper paleozoic beds . Chulalongkorn University/Bangkok.