共 8 条
- [1] Iron in relation to the stimulation of growth by humic acid [J]. SOIL SCIENCE, 1932, 33 (06) : 413 - 453
- [4] GILLESPIE J. M., 1950, AUSTRALIAN JOUR APPLIED SCI, V1, P313
- [5] Porosity of, and bacterial invasion through, the shell of the hen's egg [J]. JOURNAL OF HYGIENE, 1940, 40 (04): : 453 - 461
- [7] SANDELL EB, 1959, COLORIMETRIC DETERMI, P541