TY - BOOK AU - Manassah, Jamal T. TI - Advances in food-producing systems for arid and semi-arid lands U1 - 631.0915 PY - 1981/// CY - London PB - Academic Press KW - Agricultura KW - Regiones áridas KW - Alimentos KW - Abastecimiento KW - Regiones aridas ER -