| 000 | 00670nam a2200157 a 4500 | ||
|---|---|---|---|
| 005 | 20220228110810.0 | ||
| 035 | _aF8901000719963 | ||
| 084 | _aEPA R2-72- 063 1972 | ||
| 100 | _aBirks, L.S. | ||
| 245 | _aDevelopment of X-ray flourescence spectroscopy for elementa-l analysis of particulate matter in the atmosphere and in s-ource emissions / by L.S. Birks, J.V. Gilfrich, and P.G. Bu-rkhalter | ||
| 260 | _aWashington, D.C. : Environmental Protection Agency | ||
| 300 | _a[47] p. | ||
| 440 | _aEnvironmental protection technology series EPA-R2-72-063 | ||
| 690 | _aPartÃculas (Aire contaminado) - Análisis | ||
| 700 | _aGilfrich, J.V., coaut.Burkhalter, P.G., coaut. | ||
| 999 |
_c65830 _d65830 |
||