@inproceedings{Sheehan00:1,
  title = {Lower Floor, Lower Ceiling: Easily Programming Turtle-Graphics},
  author = {Robert Sheehan},
  year = {2000},
  url = {http://www.computer.org/proceedings/vl/0840/08400087abs.htm},
  tags = {programming},
  researchr = {https://researchr.org/publication/Sheehan00%3A1},
  cites = {0},
  citedby = {0},
  pages = {87-88},
  booktitle = {VL},
}