ISSN 0439-755X
CN 11-1911/B
OBSERVATION DISTANCE AND ITS EFFECTS ON VISUAL DISCRIMINATION IN GYMNASIUMS
HSIEH KUANG-CHAO, HS(?) CHIANG-SHENG, CHIN CHIEN, TAN CHIH-MIN
Acta Psychologica Sinica . 1964, (04): 31 -39 .