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Cattle feeding in El Salvador : an economic feasibility study
Lillard, William Clair, (1969)
Cattle as capital goods and ranchers as portfolio managers : an application to the Argentine cattle sector
Jarvis, Lovell S., (1974)
The meat trade in Britain : 1840 - 1914
Perrey, Richard, (1978)
La población y el desarrollo económico : con referencia a la República Argentina
Nores, Gustavo Adolfo, (1963)