Also available as part of the Additions and amendments service to the National Fund for Research into Crippling Diseases' 'Equipment for the disabled' (B67-10129), London: National Fund for Research into Crippling Diseases, 1967.
Easy chairs by Research Institute for Consumer Affairs. ISBN 0900931078. Published by National Fund for Research into Crippling Diseases in 1970. Publication and catalogue information, links to buy online and reader comments.