GAJDOŠOVÁ, A., VOOKOVÁ, B., KORMUŤÁK, A., LIBIAKOVÁ, G., DOLEŽEL, Jaroslav. Induction, protein composition and DNA ploidy level of embryogenic calli of silver fir and its hybrids. Biologia Plantarum. 1995, 37(-), 169-176. ISSN 0006-3134. E-ISSN 1573-8264.