| 000 | 00448 am a2200121 a 4500 | ||
|---|---|---|---|
| 100 | 1 | _aWilliams, K.T., Lakin, H.W., Byers, Horace G. | |
| 245 | 1 | _aSelenium occurrence in certain soils in the United States, with a discussion of related topics; Fourth report | |
| 260 |
_aWashington _c1940 |
||
| 300 | _a1-60 p. | ||
| 942 |
_2udc _cB |
||
| 440 | _aSelinium, Soils United States Department of Agriculture. Technical Bulletin No. 702 | ||
| 901 | _aS50137 | ||
| 999 |
_c107011 _d107011 |
||