Development of cormogenic nodules and microcorms by tissue culture, a new tool for the multiplication and genetic improvement of saffron Abel Piqueras, Bong Hee Han, Julio Escribano, Concepción Rubio, Eladio Hellín and José Antonio FernándezAgronomie, 19 7 (1999) 603-610DOI: https://doi.org/10.1051/agro:19990704