AU  - BOYD,JOE
AU  - WHITELAW,WALTER
TI  - UNDERSTANDING SCIENCE 2
SN  - 0719546230
U1  - 500.076/BOY 
PY  - 1992///
CY  - LONDON
PB  - JOHN MURRAY PUBLISHERS LTD.
KW  - SCIENCE
KW  - EDUCATION
KW  - ENVIRONMENT
KW  - ELEMENTS AND COMPOUNDS
KW  - GOOD HEALTH
KW  - MOVEMENT AND DESIGN
KW  - PARTICLES
KW  - TECHNOLOGY
ER  -