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| LEADER |
01020nam a2200241 4500 |
| 020 |
0 |
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|a 9682451604
|
| 040 |
|
|
|a Sistema Bibliotecario Universidad de El Salvador
|
| 041 |
|
|
|a esp
|
| 082 |
0 |
|
|a 574.5
|b N316e
|
| 100 |
0 |
|
|a Nava C.,Roberto
|
| 245 |
0 |
|
|a Ecosistema :
|b la unidad de la naturaleza y el hombre /
|c Roberto Nava C, Roberto Armijo T., Juan Gastó C
|
| 250 |
|
|
|a 2a ed
|
| 260 |
|
|
|a México :
|b Trillas,
|c 1996
|
| 300 |
|
|
|a 293 p. :
|b il. ;
|c 23 cm
|
| 650 |
0 |
7 |
|a Ecología
|2 LEMB
|
| 700 |
1 |
|
|a Armijo T, Roberto.,
|e coaut
|
| 700 |
1 |
|
|a Gastó C, Juan.,
|e coaut
|
| 991 |
|
|
|a agr_jorge
|
| 992 |
|
|
|a 15/07/2011
|
| 942 |
|
|
|c BK
|
| 999 |
|
|
|c 118423
|d 118423
|
| 952 |
|
|
|0 0
|1 0
|2 ddc
|4 0
|6 574_500000000000000_N316E
|7 0
|8 CG
|9 211360
|a 13
|b 13
|c CG
|d 2012-08-15
|g 15.75
|i 13006235
|l 1
|o 574.5 N316e
|p 13006235
|r 2019-09-16
|s 2019-09-16
|t 1 | ej.1
|w 2012-08-15
|y BK
|x 07-2011
|
| 952 |
|
|
|0 0
|1 0
|2 ddc
|4 0
|6 574_500000000000000_N316E
|7 0
|8 CG
|9 211361
|a 13
|b 13
|c CG
|d 2012-08-15
|g 15.75
|i 13006236
|o 574.5 N316e
|p 13006236
|r 2019-09-02
|t 2 | ej.2
|w 2012-08-15
|y BK
|x 07-2011
|