共 10 条
[4]
JACKSON CHN, 1948, ANN EUGENIC, V14, P91
[5]
LINCOLN FC, 1930, USDA118 CIRC, P1
[6]
PETERSEN CGJ, 1896, 1895 DAN BIOL STA RE, V6, P1
[8]
Schnabel ZE, 1938, AM MATH MON, V45, P348, DOI [DOI 10.2307/2304025, 10.2307/2304025]
[9]
Schumacher F. X., 1943, JOUR TENNESSEE ACAD SCI, V18, P228