共 22 条
[3]
DAVIS EA, 1968, RM100 US FOR SERV RE
[5]
Eliasson L., 1969, Sveriges SkogsvForb. Tidskr., V67, P491
[8]
HALL RC, 1966, WEEDS, V14, P248
[9]
HAMAKER JW, 1966, ADV CHEM SER, V60, P23
[10]
HERR DF, 1965, THESIS OHIO STATE U