TY  - BOOK
AU  - Catherine Headlam
TI  - Science Encyclopedia : : The Most Comprehensive Science Encyclopedia Over 3000 Illustrations, 1000 main entries and 200 experiments 
SN  - 0-86272-697-2
U1  - 500.3 
PY  - 1991///
CY  - London 
PB  - Kingfisher
KW  - 0
KW  - Grade 10-12
ER  -