TY  - BOOK
AU  - Harrison,D.R.
ED  - Heinemann Educational Books
TI  - Understanding physics: a course of problems to O level 
SN  - 0435673009
U1  - 530.076 23
PY  - 1982///
CY  - [London]
PB  - Heinemann Educational Books
KW  - Physics
KW  - Problems, Exercises, etc
ER  -