Memory span tests for the deaf-blind /
Tobin, M. J.(Michael John)
Myers, S. O.(Stanley Oscar),1908-1984.
University of Birmingham.Research Centre for the Education of the Visually Handicapped.
[Birmingham] : Research Centre for the Education of the Visually Handicapped, School of Education, University of Birmingham,
1995, 1978.
Deafblind children.
Memory