by Kossekova, Ganka P., Vrabchev, Nikola C., Sirakov, Ljuben M.
Published in Computers in biology and medicine (1989)

by Atanasov, B P, Mitovska, M I, Mancheva, I N, Kossekova, G P, Tchorbanov, B P, Christova, P, Dancheva, K I
Published in Biochimica et biophysica acta (26.06.1984)