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| LEADER |
00749na a2200205 4500 |
| 003 |
SV-SsUSB |
| 008 |
050201s1988||||||||||||||||||||||||spa|| |
| 040 |
|
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|a Sistema Bibliotecario Universidad de El Salvador
|b spa
|
| 041 |
0 |
|
|a spa
|
| 082 |
0 |
|
|a 576.15
|b G643p
|
| 100 |
1 |
|
|a González de infante,Aída.
|
| 245 |
0 |
3 |
|a El Plancton de las aguas continentales.
|
| 260 |
|
|
|a Washington :
|b OEA,
|c 1988
|
| 300 |
|
|
|a 130.p.ils.
|
| 500 |
|
|
|a comp.indice,(Serie de biología.No.33)
|
| 650 |
|
7 |
|a ECOLOGIA
|2 lemb
|
| 650 |
|
7 |
|a MICROBIOLOGIA
|2 lemb
|
| 942 |
|
|
|c BK
|8 ddc
|
| 999 |
|
|
|c 140996
|d 140996
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 576_150000000000000_G643P
|7 0
|8 CG
|9 254419
|a 30
|b 30
|c GN
|d 1969-12-31
|e | O.E.A
|h
|i 30005666
|l 2
|o 576.15 G643p
|p 30005666
|r 2013-05-16
|s 2013-05-16
|t 1
|w 2005-09-01
|y BK
|