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00796nam a22001931a 4500 |
| 001 |
UNA01000007350 |
| 005 |
20120328184801.0 |
| 008 |
080728s1983 000 0 eng d |
| 040 |
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|a Sistema de Bibliotecas de la Universidad Nacional de Costa Rica
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| 082 |
0 |
4 |
|a 632.5806
|b S989c
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| 100 |
1 |
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|a Symposium sponsored by the International Weed Science Society and the Weed Science Society of America (1st. : 1983 : St. Louis, Mo)
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| 245 |
1 |
0 |
|a Communication of weed science technologies in developing countries :
|b proceedings /
|c Ed. by R.D. Williams
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| 260 |
|
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|a Corvalis, or :
|b International Plant Protection Center ,
|c 1983
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| 300 |
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|a 214 p. :
|b il. ;
|c cm.
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| 490 |
|
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|a IPPC document ;
|v no. 49-B83
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| 650 |
0 |
4 |
|a MALEZAS
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| 650 |
0 |
4 |
|a CONGRESOS
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| 650 |
0 |
4 |
|a CONTROL DE MALEZAS
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| 700 |
1 |
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|a Williams R. D. ed.
|