共 5 条
[1]
HARRIS C. I., 1964, WEEDS, V12, P120, DOI 10.2307/4040611
[2]
STEEL R. G. D., 1960, PRINCIPLES PROCEDURE
[3]
UPCHURCH R. P., 1962, WEEDS, V10, P9, DOI 10.2307/4040550
[5]
WEBER J. B., 1965, SOIL SCI SOC AMER PROC, V29, P678