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15Texto bibliotecaFAO IT
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16Texto bibliotecaFAO IT
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17Texto bibliotecaFAO IT
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18by 57199 Child, R.D., 76614 Heady, H.F., 77907 Hickey, W.C., 104729 Peterson, R.A., 105231 Pieper, R.D.
Published 1984Texto bibliotecaIICA -
19by Peterson, R.A., FAO, Rome (Italy) eng, Expert Consultation on Agricultural Research in Latin America eng 9 Jun 1975 Panama City (Panama)
Published 1976Texto bibliotecaFAO IT -
20Arid and semiarid rangelands: guidelines for development Arid and semiarid rangelands: guidelines for developmentby 57199 Child, R.D., 76614 Heady, H.F., 104729 Peterson, R.A., 105231 Pieper, R.D., Poulton, Coulton 106576, 21100 Winrock International Institute for Development, Morrilton, Ark. (EUA)
Published 1987bibliotecaIICA