共 6 条
[1]
BLANK A A, 1957, Br J Physiol Opt, V14, P154
[3]
BLANK AA, 1958, PSYCHOL STUDY SCI 3, V1
[4]
BLANK AA, UNPUBLISHED
[5]
Busemann H., 1955, GEOMETRY GEODESICS
[6]
LUNEBURG RK, 1948, STUDIES ESSAYS COURA