| 000 | 00386nad a22001457a 4500 | ||
|---|---|---|---|
| 008 | 120525s1934 -us||||| |||| 00| 0 eng d | ||
| 041 | _aeng | ||
| 100 | 1 | _aAllen, W. E. | |
| 245 | 1 |
_aWhat is an Optimum? / _cW. E. Allen |
|
| 260 |
_a[S.l. : _bs.n.], _c1934 |
||
| 300 |
_a218-221 p. ; _c27 cm |
||
| 440 | 1 |
_aEcology ; _v15 |
|
| 760 |
_011354 _911354 _tEcologia. _w11354 |
||
| 942 |
_2ddc _cPM |
||
| 999 |
_c31560 _d31560 |
||