000			00554 a2200145 4500
020			_a0897912640
082			_a621.381953 _bAs78t
245	1		_aPROCEEDINGS OF THE TWENTIETH ANNUAL ACM SYMPOSIUM ON THEORY OF COMPUTING, CHICAGO, ILLINOIS, MAY 2-4, 1988 _cSPONSORED BY THE ACM SPECIAL INTEREST GROUP FOR AUTOMATA AND COMPUTABILITY THEORY
260			_aNew York _bAssociation For Computing Machinery _c1988
300			_aviii,553
650			_aComputers -- Cong
650			_aElectronic Digital Computers -- Cong
964			_gCIRC
997			_aA105312 s C
999			_c466314 _d466314