| 000 | 00401 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aBrown, P.E., Allision, F.E. | |
| 245 | 1 | _aInfluence of humus forming materials of different nitrogen-carbon ratios on bacterial activities. | |
| 260 |
_aIowa _c1916 |
||
| 300 | _a1-30 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aBacterial Iowa Agricultural Experiment Station, Research Bulletin No. 36 | ||
| 901 | _aS58002 | ||
| 999 |
_c100840 _d100840 |
||