TY  - BOOK
AU  - Parsons, Richard
TI  - GCSE Double Science Physics: the revision guide 
SN  - 1841464015
U1  - 530 20
PY  - 2000///
CY  - Colorado
PB  - Coordination Group publication limited
KW  - Physics
N1  - Includes index (p. 91-92)
ER  -