Computing with Membranes: P Systems with Worm-Objects.

Juan Castellanos Gheorghe Paun Alfonso Rodríguez-Patón Computing with Membranes: P Systems with Worm-Objects. 65-74 2000 SPIRE http://computer.org/proceedings/spire/0746/07460065abs.htm db/conf/spire/spire2000.html#CastellanosPR00