QRT FIFO automata, breadth-first grammars and their relations

Alessandra Cherubini, Claudio Citrini, Stefano Crespi Reghizzi, Dino Mandrioli
1991 Theoretical Computer Science  
Cherubini, A., C. Citrini, S.C. Reghizzi, and D. Mandrioli, QRT FIFO automata, breadth-first grammars and their relations, Theoretical Computer Science 85 (1991) 171-203.
doi:10.1016/0304-3975(91)90053-5 fatcat:6s23j5uqezdbzj5bd3iottq6me