Walter J. Savitch

Walter J. Savitch. Some characterizations of Lindenmayer systems in terms of Chomsky-type grammars and stack machines. Information and Control, 27(1):37-60, January 1975. References.
Z. Pawlak, G. Rozenberg, and W. J. Savitch. Programs for instruction machines. Information and Control, 41(1):9-28, April 1979.
Peter Eichhorst and Walter J. Savitch. Growth functions of stochastic Lindenmayer systems. Information and Control, 45(3):217-228, June 1980.