Nitrogen compounds in embryogenic and non-embryogenic calluses of Medicago arborea L.

1. Gutierrez, E.
2. Gallego, P.
3. Alonso, A.
4. Blazquez, A.
5. Martin, L.
6. Fernandez, J.
7. Dominguez, L.
8. Rioja, C.
9. Guerra, H.
10. Villalobos, N.