@InProceedings{ greenfield-proc-scipy-2010,
  author    = { {P}erry {G}reenfield and {I}vo {B}usko and {R}osa {D}iaz and {V}icki {L}aidler and {T}odd {M}iller and {M}ark {S}ienkiewicz and {M}egan {S}osey },
  title     = { {R}ebuilding the {H}ubble {E}xposure {T}ime {C}alculator },
  booktitle = { {P}roceedings of the 9th {P}ython in {S}cience {C}onference },
  pages     = { 40 - 44 },
  year      = { 2010 },
  editor    = { {S}t\'efan van der {W}alt and {J}arrod {M}illman },
  doi       = { 10.25080/Majora-92bf1922-007 }
}