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@Article{PhysRevSTPER.2.020101,
  title = {Use of analogy in learning physics: The role of representations},
  author = {Podolefsky, Noah S. and Finkelstein, Noah D.},
  journal = {Phys. Rev. ST Phys. Educ. Res.},
  volume = {2},
  number = {2},
  pages = {020101},
  numpages = {10},
  year = {2006},
  month = {Jul},
  doi = {10.1103/PhysRevSTPER.2.020101},
  publisher = {American Physical Society}
}