by Dimitrov, M. I, Donchev, A. A, Shosheva, A. Ch, Getov, V. I, Terezova, N. P, Stoichev, S. D
Published in Russian journal of plant physiology (2011)

by Stoichev, Stoicho D., Tonchev, Vladimir D.
Published in Discrete Applied Mathematics (15.05.2000)

by Rashkov, S, Stoichev, D S
Published in Surface technology (01.02.1978)