00328nas a2200121   4500000000100000008004100001260002400042100001600066700001700082700001800099700001700117245007200134       2015                            d  cJuneaMalaga, Spain1 aDavide Vega1 aRoc Meseguer1 aFelix Freitag1 aSergio Ochoa00aMotivating the non-technical participation in technical communities