Organization of records with unequal multiple-valued attributes and combinatorial queries of order 2S.P. Ghosh1969Information Sciences
On the Independence of Real-Time Definability and Certain Structural Properties of Context-Free LanguagesArnold L. Rosenberg1968Journal of the ACM
A Procedure for Detecting Intersections of Three-Dimensional ObjectsPaul G. Comba1968Journal of the ACM
Parallel program schemata: A mathematical model for parallel computationRichard M. KarpRaymond E. Miller1967SWAT 1967