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01164nam a2200421 i 4500 |
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|a Universidad Nacional Agraria
|b spa
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|a F04
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|a MS
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| 978 |
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|a grh
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|a 23-12-1997
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|a EMF
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|a 07/03/2022
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|a DOC
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|a ACTUALIZACION DE REGISTRO 1997
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|a EMF070322
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|a 004746
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|a eng
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|a F04 J69
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1 |
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|a Johnson, Sam H.
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1 |
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|a Vermillion, Douglas
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1 |
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|a Svendsen, Mark
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1 |
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|a Xinyuan, Wang
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1 |
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|a Xiyin, Zhang
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| 700 |
1 |
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|a Xuesen, Mao
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| 245 |
1 |
0 |
|a Management reform and perfomance changes in two irrigation districts in the north China plain
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| 260 |
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|a Colombo (Sri Lanka) :
|b ,
|c 1996
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| 264 |
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|a Colombo (Sri Lanka) :
|b ,
|c 1996
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|a 34 p.
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|a Short report series on locally managed irrigation (Sri Lanka)
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|a Ilus.; 21 ref.
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7 |
|a RIEGO
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| 650 |
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7 |
|a SISTEMAS DE RIEGO
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| 650 |
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7 |
|a CAMBIO TECNOLOGICO
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| 650 |
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7 |
|a POLITICAS
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| 942 |
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|c BK
|2 agris
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D0332/97c01
|o F04 J69
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| 952 |
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|a 01
|b 01
|8 CG
|c CG
|y BK
|p D1324/97c02
|o F04 J69
|