共 5 条
[1]
APPLEYARD, 1939, P ROY SOC A, V172, P540
[2]
CASIMIR, 1940, LEID COMM, P261
[3]
KAMERLINGH, 1929, INT CRIT TABLES, V6, P124
[5]
SHOENBERG, 1940, P ROY SOC A, V175, P49