TY  - BOOK
AU  - RAMSDEN, Eileen
AU  - Jim Breithaupt
AU  - David Applin
TI  - Key science 4: book 1
SN  - 0748704922
U1  - 500 
PY  - 1991///
CY  - London
PB  - Stanley Thornes(Publisher) Limited
KW  - Science
N1  - includes index
ER  -