@TECHREPORT{DasMarPau_j1993_a, author = {J{\"u}rgen~Dassow and Solomon~Marcus and Gheorghe~P\u{a}un}, title = {{Iterative reading of numbers: Parikh mappings, parallel rewriting, infinite sequences}}, institution = {Technische Universit{\"a}t "`Otto von Guericke"' Magdeburg, Fakult{\"a}t f{\"u}r Informatik}, year = 1993, number = {FIN-IRB-6/93} }