000 | 00453nam a22001817a 4500 | ||
---|---|---|---|
015 | _a4714 | ||
080 |
_a551.588 _bSOU |
||
100 | _aSouthwick, C. H. | ||
245 | _aEcology and the quality of our environment | ||
250 | _aSecond | ||
260 |
_aD. Van Nostrand _bNew York _c1972 |
||
300 |
_a426p. _bfig. , illu. |
||
852 | _a2R 1-3 | ||
999 |
_c2177 _d2177 |