1. Abdul Rahman NN, Diner AM, Skilling DD, Karnosky DF (1987) In vitro responses of conifer adventitious shoots and calli inoculated with Gremmeniella abietina. For Sci 33: 1047–1053
2. Aderkas P von, Bonga JM (1988a) Morphological definition of phenocritical period for initiation of haploid embryogenic tissue from explants of Larix decidua. In: Ahuja MR (ed) Somatic cell genetics of woody plants. Kluwer, Dordrecht, pp 29–38
3. Aderkas P von, Bonga JM (1988b) Formation of haploid embryoids of Larix decidua: early embryogenesis. Am J Bot 75: 690–700
4. Aderkas P von, Bonga JM Nagmani R (1987) Promotion of embryogenesis in cultured megagametophytes of Larix decidua. Can J For Res 17: 1293–1296
5. Ahuja MR (1984) Protoplast research in woody plants. Silv Genet 33: 32–37