-
1
-
2
-
3Texto bibliotecaECOSUR
-
4
-
5by 63766 Durst, R.L., 122302 Sullivan, P.J., 6885 Department of Agriculture, Washington, D.C. (EUA)
Published 1989Texto bibliotecaIICA -
6by 122302 Sullivan, P.J., 130297 Wainio, J., 113200 Roningen, V.O., 6896 Department of Agriculture, Washington, D.C. (EUA). Economic Research Service
Published 1989Texto bibliotecaIICA -
7
-
8by 88176 Luna, J.M., 41551 Allen, V.G., 61163 Daniels, W.L., 68417 Fontenot, J.P., 122301 Sullivan, P.G., 85265 Laub, C.A., 121909 Stone, N.D., 127802 Vaughan, D.H., 75590 Hagood, E.S., 123627 Taylor, D.B., 15034 National Research Council, Washington, D.C. (EUA)
Published 1991Texto bibliotecaIICA