Legibility of Thai character highway signs under a simulated driving condition.

Bibliographic Details
Main Author:	Vongvichien, Sathien
Format:	Thesis Book
Language:	English
Published:	Bangkok, [publisher not identified] ; 1965.
Subjects:	Traffic signs and signals > Thailand. Lettering.

Description
Physical Description:	v, 48 .
Bibliography:	Bibliography: leaves 35-36.