000 | 00333nam a2200133Ia 4500 | ||
---|---|---|---|
008 | 130223s9999 xx 000 0 und d | ||
245 | _aScience and improving our environment | ||
260 | _aWashington | ||
260 | _c1967 | ||
300 | _a0.916666667 | ||
440 | _aNo. 319; United States Departm | ||
901 | _pS15438 | ||
942 |
_cB _2udc |
||
999 |
_c132862 _d132862 |