共 5 条
[1]
CHASE LE, 1930, THESIS U IOWA, P232
[2]
CHASE LE, 1931, U IOWA STUDIES STUDI, V5, P119
[3]
GARRETT HE, 1926, STAT PSYCHOL ED, pR13
[4]
HOLZINGER KJ, 1928, STAT METHODS STUDENT, pR8
[5]
SMITH RS, 1933, THESIS STATE U IOWA, P144