@techreport{weko_31124_1,
   author	 = "Akinori,Yonezawa and Ichiro,Ohsawa",
   title	 = "A New Approach to Parallel Parsing for Context - Free Grammars -An Example of Object - Oriented Concurrent Programming-",
   year 	 = "1987",
   institution	 = "Department of Information Science Tokyo Institute of Technology, Department of Information Science Tokyo Institute of Technology",
   number	 = "89(1987-PRO-023)",
   month	 = "dec"
}