International convention for the protection of new varieties of plants of december 2, 1961, as revised at geneva on november 10, 1972, on octuber 23, 1978, and on march 19, 1991.

International convention for the protection of new varieties of plants of december 2, 1961, as revised at geneva on november 10, 1972, on octuber 23, 1978, and on march 19, 1991. - Unión Internacional para la Protección de las Obtenciones Vegetales. Upov, 1991. - 31 Páginas: 21 x 15 cm.


Protección de las plantas--plantas
Especies de plantas
Conservación del medio ambiente
Normativa