| 000 | 00811cam^a2200241^^^4500 | ||
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| 001 | UDM01000004370 | ||
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| 008 | 941114s1955^^^^nyua^^^^r^^^^^00110^eng^^ | ||
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_a333.72 _bA429c 1955 |
| 100 | 1 |
_95894 _aAllen, Shirley W, _eautor |
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_aConserving natural resources : _bprinciples and practice in a democracy / _cShirley W. Allen. |
| 264 | 3 | 1 |
_aNew York : _bMcGraw-Hill, _c1955. |
| 300 |
_aix, 347 páginas : _bil |
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| 336 |
_atexto _btxt _2rdacontent |
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| 337 |
_ano mediado _bn _2rdamedia |
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| 338 |
_avolumen _bnc _2rdacarrier |
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| 650 | 1 | 4 |
_973688 _aVida urbana _zEstados Unidos _xConservación de los recursos naturales. |
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