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| LEADER |
00804nam a2200193 a 4500 |
| 008 |
050201s1972||||mx |||||||||||||||||spa|| |
| 942 |
|
|
|c BK
|
| 041 |
|
|
|a spa
|
| 082 |
|
|
|a 301.31
|b W256s
|
| 100 |
|
|
|a Ward, Barbara
|
| 700 |
|
|
|a Dubos, René
|e coautor
|
| 245 |
0 |
4 |
|a Una sóla tierra:
|b el cuidado y conservación de un pequeño planeta
|
| 260 |
|
|
|a México :
|b Fondo de Cultura Económica,
|c 1972
|
| 300 |
|
|
|a 278 p
|
| 650 |
|
|
|a HOMBRE-INFLUENCIA DEL MEDIO
|
| 650 |
|
|
|a ECOLOGIA HUMANA
|
| 999 |
|
|
|c 132853
|d 132853
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 301_310000000000000_W256S
|7 0
|8 CG
|9 239646
|a 10
|b 10
|c CG
|d 2012-08-15
|i 10003744
|o 301.31 W256s
|p 10003744
|r 2017-01-23
|t 1
|w 2012-08-15
|y BK
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 301_310000000000000_W256S
|7 0
|8 CG
|9 239647
|a 10
|b 10
|c CG
|d 2012-08-15
|i 10003745
|o 301.31 W256s
|p 10003745
|r 2017-01-23
|t 2
|w 2012-08-15
|y BK
|