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| LEADER |
00873nam a2200229 a 4500 |
| 008 |
050201s1972||||mx |||||||||||||||||spa|| |
| 040 |
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|a Sistema Bibliotecario Universidad de El Salvador
|b spa
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| 041 |
|
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|a spa
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| 082 |
|
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|a 574.5
|b D221c 1972
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| 100 |
|
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|a Darling, Frank Frase
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| 245 |
0 |
0 |
|a Conciencia social y medio ambiente. Conferencias Reith de 1969 en Londres /
|c Frank Frase Darling.
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| 260 |
|
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|a México :
|b Pax-México,
|c 1972
|
| 300 |
|
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|a 106 p
|
| 336 |
|
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|2 rdacontent
|a texto
|b txt
|
| 337 |
|
|
|2 rdamedia
|a no mediado
|b n
|
| 338 |
|
|
|2 rdacarrier
|a volumen
|b nc
|
| 650 |
|
|
|a ECOLOGIA
|
| 650 |
|
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|a HOMBRE-INFLUENCIA DEL MEDIO
|
| 650 |
|
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|a RECURSOS NATURALES-CONSERVACION
|
| 942 |
|
|
|c BK
|2 ddc
|
| 999 |
|
|
|c 120499
|d 120499
|
| 952 |
|
|
|0 0
|1 0
|2 ddc
|4 0
|6 574_500000000000000_D221C
|7 0
|8 CG
|9 215190
|a 10
|b 10
|c CG
|d 2012-08-15
|i 10015812
|o 574.5 D221c
|p 10015812
|r 2017-01-24
|t 1
|w 2012-08-15
|y BK
|