@incollection{DasHro_j1992, author = {J{\"u}rgen~Dassow and Juraj~Hromkovi\v{c}}, title = {{On synchronized Lindenmayer picture languages}}, booktitle = {{Lindenmayer Systems}}, publisher = springer, year = 1992, editor = {Grzegorz~Rozenberg and Arto~Salomaa}, pages = {253--261} }