T. Balanescu, A. J. Cowling, H. Georgescu, M. Gheorghe, M. Holcombe, C. Vertan:
Communicating Stream X-Machines Systems are no more than X-Machines
/jucs_5_9/communicating_stream_x_machines

page 494 - 507
Vol.5 / Issue 9

F. Bernardini, M. Gheorghe:
Population P Systems
/jucs_10_5/population_p_systems

page 509 - 539
Vol.10 / Issue 5