A Two-Dimensional Generating System Modeling Growth by Binary Cell Division (Preliminary Report) Jack W. Carlyle Sheila A. Greibach Azaria Paz 1-12 conf/focs/FOCS15 1974 SWAT (FOCS) db/conf/focs/focs74.html#CarlyleGP74 http://doi.ieeecomputersociety.org/10.1109/SWAT.1974.3