TY - BOOK AU - Albert J Leach ED - International Colloquium on Automata,Languages and Programming( 18th : 1991 : Spain ) ED - International Colloquium on Automata,Languages and Programming 18th TI - Automata,languages and programming : proceedings U1 - 5.131 PY - 1991/// CY - Berlin PB - Springer Verlag KW - Automata theory KW - Computer languages KW - Computer science ER -