TY  - BOOK
AU  - Coles,Mike
AU  - Gott,Richard
AU  - Thornley,Tony
ED  - Collins Educational
TI  - Active science 1
SN  - 0003274314
U1  - 500 23
PY  - 1990///.
CY  - London: 
PB  - Collins Educational, 
KW  - Science
N1  - Includes index
ER  -