| 000 | 00433 a2200145 4500 | ||
|---|---|---|---|
| 080 |
_a63:339.49 _bZ 87 C |
||
| 245 | 1 |
_aConservation of renewable natural resources, some fundamental aspects of the problem _cby Raphael Zon, et. al. |
|
| 260 |
_aPhiladelphia _c1941 |
||
| 650 | _aNatural Resources | ||
| 650 | _aConservation | ||
| 650 | _aRenewable Natural Resources | ||
| 100 | 1 |
_aZon, Raphael _d |
|
| 300 | _a200 p. | ||
| 901 | _a17209 | ||
| 999 |
_c42031 _d42031 |
||