1. Bradshaw, J.E. & G.R. Mackay, 1994. Potato genetics. CAB International, Wallingford.
2. Cassells, A.C., 1998.In-vitro induced mutations for disease resistance. In: S. Mohan Jain, B.S. Brar & B.S. Ahloowalia (Eds), Somaclonal Variation and Induced Mutation in Crop Improvement. Kluwer, Dordrecht, pp. 367–378.
3. Cassells, A.C. & P.T. Sen, 1996.In vitro production of late blight (Phytophthora infestans)-resistant potato plants. In: Y.P.S. Bajaj (Ed.) Biotechnology in Agriculture and Forestry 36. Springer-Verlag, Berlin, pp. 107–118.
4. Cassells, A.C., S. Austin & E.M. Goetz, 1987. Variation in tubers in single cell-derived clones of potato in Ireland. In: Y.P.S. Bajaj (Ed.) Biotechnology in Agriculture and Forestry 3 Potato. Springer-Verlag, Berlin, pp. 375–391.
5. Cassells, A.C., C. Walsh & C. Periappuram, 1993. Diplontic selection as a positive factor in determining the fitness of mutants ofDianthus ‘mystere’ derived from X-irradiation of nodes inin vitro culture.Euphytica 70:167–174.