TY  - RPRT
TI  - Symposium on reading disability. 3. Severe reading difficulty: a community study.
AU  - M M Clark
PY  - 1971
DO  - 10.1111/j.2044-8279.1971.tb00652.x
UR  - https://pubmed.ncbi.nlm.nih.gov/5547172/
ID  - 5547172
ER  -