"'Moving smartly through 5 - 14' supplementary booklet.".
Contents: section 1. The CALL Centre smart wheelchair - an introduction
section 2. Smart wheelchairs, Turtle graphics, and Logo.
The CALL Centre smart wheelchair by Phil Odor. ISBN 1898042063. Published by CALL Centre, University of Edinburgh in 1995. Publication and catalogue information, links to buy online and reader comments.