1. Ashri A (1976) Plasmon divergence in peanuts (Arachis hypogea). A third plasmon and locus affecting growth habit. Theor Appl Genet 48:17–21
2. Berbeć A (1987) Chromosome pairing and pollen fertility in the interspecific f1 hybrids Nicotiana tabacum L. x N. benavidesii Goodspeed, N. knightiana Goodspeed x N. tabacum and N. raimondii Macbride x N. tabacum. Genet Polon 28:263–269
3. Berbec A (1994) Microsporogenesis in two alloplasmic isonuclear analogues of tobacco cv ‘Zamojska 4’ with the cytoplasm of N. knightiana Goodspeed and N. raimondii Macbride. Genet Polon 35:33–41
4. Berbeć A, Doroszewska T (1992) Alloplasmic forms of cultivated tobacco with the substituted cytoplasms of Nicotiana amplexicaulis, N. knightiana and N. raimondii (in Polish). Pamicetnik Putawski 100:142–150
5. Burk LG (1960) Male-sterile anomalies in interspecific tobacco hybrids. J Hered 51:27–31