TY  - BOOK
AU  - Bolton, W.
TI  - Physical science
SN  - 0216904242
U1  - 500.2 
PY  - 1977///
CY  - London
PB  - Blackie
KW  - Science
N1  - 1.	Basic physical science
2.	Patterns
3.	Motion and energy
4.	The structure of matter

ER  -