共 6 条
[2]
DEAN JA, 1959, ROSFP
[3]
HUNTER A. H., 1960, SOIL SCI, V90, P214, DOI 10.1097/00010694-196010000-00002
[5]
EXTRACTION AND FLAME PHOTOMETRIC DETERMINATION OF IRON
[J].
ANALYTICAL CHEMISTRY,
1960, 32 (13)
:1837-1841