TY  - BOOK
AU  - Weale,R.A.
TI  - Focus on vision
SN  - 0340248394
AV  - QP475 .W34 1982
U1  - 599.01823 19
PY  - 1982///
CY  - London
PB  - Hodder and Stoughton
KW  - Vision
N1  - Includes index; Bibliography: p. [181]-188
ER  -