Günter Kniesel Tobias Rho Stefan Hanenberg Evolvable Pattern Implementations Need Generic Aspects. 111-126 2004 conf/ecoop/2004ramse RAM-SE http://www.disi.unige.it/person/CazzolaW/RAM-SE04%20Proceedings/Kniesel%2C%20Rho%20and%20Hanenberg.pdf db/conf/ecoop/ramse2004.html#KnieselR04