APA-referens

Alberty Rodríguez, R. A. (1977). Evaluation of the yield and the physical and chemical changes of a soil in a step slope cultivated with maize and beans, with different life covers in a forest plantation.

Chicago-stil citat

Alberty Rodríguez, Rafael A. Evaluation of the Yield and the Physical and Chemical Changes of a Soil in a Step Slope Cultivated With Maize and Beans, With Different Life Covers in a Forest Plantation. 1977.

MLA-referens

Alberty Rodríguez, Rafael A. Evaluation of the Yield and the Physical and Chemical Changes of a Soil in a Step Slope Cultivated With Maize and Beans, With Different Life Covers in a Forest Plantation. 1977.

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