共 11 条
[1]
Crocker W, 1918, J AGRIC RES, V15, P0137
[2]
DAVIS WE, 1925, P 18 ANN M ASS OFF S
[3]
DEVILMORIN, 1922, COMPT REND ACAD SCI, V175, P50
[4]
GRACANIN MIHOUIL, 1926, ANN SCI AGRON, V43, P430
[5]
GRISCH A, 1931, COMPT REND ASS INT E, V5, P60
[6]
KOBLET RUDOLF, 1932, BER SCHWEIZ BOT GES, V41, P199
[7]
LEGGATT C. W., 1929, SCI AGRIC, V10, P73
[8]
NEMEC A, 1922, CR HEBD ACAD SCI, V174, P632
[9]
SCHMIDDER F, 1927, MITT SACHSISCHEN FOR, V3, P5
[10]
SCHMIDT W, 1930, UNSERE KENNTNIS FORT