Rachai Prakobkarn และ Virulh Sa-yakanit. (1987) Theoretical study of Brownian motion in liquid. Chulalongkorn University:ม.ป.ท.Rachai Prakobkarn และ Virulh Sa-yakanit. 1987. Theoretical study of Brownian motion in liquid. ม.ป.ท.:Chulalongkorn University;Rachai Prakobkarn และ Virulh Sa-yakanit. Theoretical study of Brownian motion in liquid. ม.ป.ท.:Chulalongkorn University, 1987. Print.