Unreliable Colonies as Systems of Stochastic Grammars. - Ján Gaso (MFCS Workshop on Grammar Systems, 1998)

Unreliable Colonies - the Sequential Case. - Ján Gaso (J. Autom. Lang. Comb., 2000)

Stochastic cooperative distributed grammar systems and random graphs. - Ján Gaso; Martin Nehéz (Acta Informatica, 2003)