@article{Keppens:7441,
      author        = "Keppens, Willem and De Cock, Mieke and Van Dooren, Wim and
                       Van Winckel, Hans and Sermeus, Jan",
      title         = "{The impact of question formulation on student estimations
                       of astronomical scales.}",
      month         = "Nov",
      year          = "2024",
}