@Article{DasTru_j2007_c, author = {J{\"u}rgen~Dassow and Bianca~Truthe}, title = {On the Number of Components for Some Parallel Communicating Grammar Systems}, journal = tcs, year = {2007}, volume = 387, number = 2, pages = {136--146}, url = {http://dx.doi.org/10.1016/j.tcs.2007.07.033} }