Plan general.
Series: Serie Documentos oficiales,; no. 1
Publisher: Instituto Interamericano de Ciencias Agrícolas, Departamento de Relaciones Oficiales e Información Pública
Published: 1970
Place of publication: San José, Costa Rica
Language: spa
Number of pages: 92
Subjects: Inter-American Institute of Agricultural Sciences.
Notes: Includes bibliographical references.
Spanish and English.