共 39 条
[31]
1941, Q J SPEECH, V27, P525
[32]
1939, EVALUATION 8 YEAR ST
[33]
1940, Q J SPEECH, V26, P193
[34]
1935, SPEECH MONOGRAPHS, V2, P53
[35]
1935, SPEECH MONOGRAPHS, V2, P50
[36]
1942, TEACHERS COLL J, V13, P57
[37]
1941, Q J SPEECH, V27, P110
[38]
1938, COOPERATIVE TEST SER
[39]
1935, SPEECH MONOGRAPHS, V2, P56