@techreport{weko_21735_1,
   author	 = "Kiczales,Gregor",
   title	 = "Aspect - Oriented Programming Improved Support for Separation of Concerns in Software Design and Implementation",
   year 	 = "1997",
   institution	 = "Xerox Palo Alto Research Center",
   number	 = "84(1997-SE-116)",
   month	 = "sep"
}