@conference{3617,
  author = {Benjamin Zwickl and D Hu and Noah Finkelstein and Heather Lewandowski},
  title = {Making models of measurement tools: Examples from think-aloud student interviews},
  year = {2015},
  journal = {2015 Physics Education Research Conference Proceedings},
  month = {2015-01},
  doi = {10.1119/perc.2014.pr.069},
}