TY  - BOOK
AU  - Baggley, Sandra (et al)
TI  - Understanding and applying science 4
SN  - 0719550408
U1  - 507.4 
PY  - 1992///
CY  - London: 
PB  - John Murray; 
KW  - Science
N1  - Our world --Light --Making new materials --Moving electrons --Energy and chemistry --Energy and force --Regulation and control --Start small
ER  -