| 000 | 00491nam a2200169Ia 4500 | ||
|---|---|---|---|
| 008 | 130223s9999 xx 000 0 und d | ||
| 080 | _a551.48/.49.016 | ||
| 100 | _aMueller, David K. and Helsel, Dennis R. | ||
| 245 | _aNutrients in the nation's waters-too much of a good thing? | ||
| 260 | _aDenver | ||
| 260 | _bU.S. Geoilogical Survey Information Services | ||
| 260 | _c1996 | ||
| 300 | _a24p. | ||
| 440 | _aNo.1136; U.S. Geological Surve | ||
| 901 | _pS44419 | ||
| 942 |
_cB _2udc |
||
| 999 |
_c128544 _d128544 |
||