 | The beef cattle industries of Central America and Panama | (2) |
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 | The beef cattle industries of Central America and Panama / . Rourk, J. Phillip. 4n : U.S. Dept. of Agriculture, Foreign Agricultural Service, 1969. | |
| The beef cattle industries of Central America and Panama / by Q. Martin Morgan. Morgan, Quevedo Martin, 1918- 1n Washington, D.C. : U.S. Dept. of Agriculture, Foreign Agricultural Service, 1973. | |
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