@PhdThesis{Loc_j1989, author = {Werner~Loch}, title = {{Zum {\"A}quivalenzproblem f{\"u}r deterministische T0L-Systeme}}, school = {Technische Universit{\"a}t \glqq Otto von Guericke\grqq\ Magdeburg}, year = {1989}, type = {Dissertation} }