A. MacDonald: Experimental Study of Children, including Anthropometrical and Psychophysical Measurements of Washington School Children and a Bibliography. Report of United States Commission of Education for 1897/98, Chapt. 21 u. 25, S. 989-1204 u. 1281-1390
Mentz.
1901.
A. MacDonald: Experimental Study of Children, including Anthropometrical and Psychophysical Measurements of Washington School Children and a Bibliography. Report of United States Commission of Education for 1897/98, Chapt. 21 u. 25, S. 989-1204 u. 1281-1390.
In: Zeitschrift für Psychologie und Physiologie der Sinnesorgane 25: 205-207.