1. Extended LR(k) grammars and their parsers;DeRemer,1970
2. Regular right part grammars and their parsers;LaLonde;CACM,1977
3. Constructing LR parsers for Regular right part grammars;LaLonde;Acta Informat.,1979
4. Project LILA. The ELL(1) generator: basic principles;Lewi,1976
5. LR parsing of extended context-free grammars;Madsen;Acta Informat.,1976