共 14 条
- [1] BROADBENT F. E., 1958, SOIL SCI SOC AMER PROC, V22, P303
- [2] CLARK KG, 1959, J ASS OFFIC AGR CHEM, V42, P596
- [3] CUTHBERT CH, 1961, Patent No. 616421
- [4] DEFRANCE JA, 1958, GOLFDOM
- [6] HENSEL DR, 1960, THESIS RUTGERS U
- [7] KADOWAKI H, 1936, J CHEM SOC JAPAN, V11, P248
- [8] KOLLETT JR, 1958, PARK MAINTENANCE
- [10] MRUK CK, PRIVATE COMMUNICATIO