edited by Peter Tanner ; sponsored by the Association for Computing Machinery's Special Interest Group on Computer Graphics. production editor, Richard J. Beach, papers chair, Forest Baskett ; sponsored by the Association for Computing Machinery's Special Interest Group on Computer Graphics. sponsored by the Association for Computing Machinery Special Interest Group on Programming Language. sponsored by the Association for Computing Machinery, Special Interest Group on Programming Languages. edited by D.L. Kimbler ; [sponsored by] Association for Computing Machinery ... [et al.]. sponsored by the Association for Computing Machinery, Special Interest Group on Minicomputers ; edited by G. W. Gorsline. sponsored by the Association for Computing Machinery, Special Interest Committee for Automata and Computability. Association for Computing Machinery Special Interest Group on Programming Languages.