1922	 Proposed USA Standard Data Communication Control Procedures for the USA Standarad Code for Information Interchange data communication data communication control procedures data communication establishment termination procedures data communication message transfer procedures data communication error control procedures data communication polling selection procedures communication communication control procedures communication establishment termination procedures communication message transfer procedures communication error control procedures communication polling selection procedures link link control procedures link establishment termination procedures link message transfer procedures link error control procedures link polling selection procedures data link data link control procedures data link establishment termination procedures data link message transfer procedures data link error control procedures data link polling selection procedures
