@techreport{PedroniOriol09b, author = {Michela Pedroni and Manuel Oriol}, title = {What Do Beginning CS Majors know?}, institution = {ETH Zurich, Chair of Software Engineering}, year = {2009}, number = {613}, urltopdf = {ftp://ftp.inf.ethz.ch/pub/publications/tech-reports/6xx/631.pdf} }