Franco Barbanera Michele Bugliesi Mariangiola Dezani-Ciancaglini Vladimiro Sassone Space-aware ambients and processes. 41-69 2007 373 Theor. Comput. Sci. 1-2 http://dx.doi.org/10.1016/j.tcs.2006.11.017 db/journals/tcs/tcs373.html#BarbaneraBDS07