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| LEADER |
00764nam a2200205 a 4500 |
| 008 |
050201s1973||||xxua |||||||||||||eng|| |
| 040 |
|
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|a Sistema Bibliotecario Universidad de El Salvador
|b spa
|
| 041 |
0 |
|
|a eng
|
| 082 |
0 |
|
|a 301.31
|b L274p
|
| 245 |
0 |
0 |
|a Pollution /
|c Clarence T. Lange, ed.Paul E. Klinge, ed..
|
| 260 |
|
|
|a Washington :
|b National Association of Biology Teachers,
|c 1973
|
| 300 |
|
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|a 132 p ;
|b il
|
| 336 |
|
|
|2 rdacontent
|a texto
|b txt
|
| 337 |
|
|
|2 rdamedia
|a no mediado
|b n
|
| 338 |
|
|
|2 rdacarrier
|a volumen
|b nc
|
| 650 |
|
|
|a CONTAMINACION
|
| 942 |
|
|
|c BK
|2 ddc
|
| 991 |
|
|
|a No asignado
|
| 999 |
|
|
|c 132845
|d 132845
|
| 952 |
|
|
|0 1
|1 0
|4 0
|6 301_310000000000000_L274P
|7 0
|8 CG
|9 239633
|a 10
|b 10
|c CG
|d 2012-08-15
|i 10003736
|o 301.31 L274p
|p 10003736
|r 2012-08-15
|t 1
|w 2012-08-15
|y BK
|