TY  - BOOK
AU  - Heron,David
TI  - Mental defect, mal-nutrition, and the teacher's appreciation of intelligence : a reply to criticisms of the memoir on 'The influence of defective physique and unfavourable home environment on the intelligence of school children 
U1  - 371.9 
PY  - 1911///.
CY  - London : 
PB  - Dulau & Co., Ltd., 
KW  - Children with disabilities
KW  - Heredity
ER  -