AU  - SNEDDEN,ROBERT
TI  - SEPARATING MATERIALS
T2  - MATERIAL WORLD
SN  - 0431121028
U1  - 530.4/SNE 
PY  - 2001///
CY  - GREAT BRITAIN
PB  - HEINEMANN LIBRARY
KW  - SCIENCE
KW  - MATTER
KW  - PROPERTIES
KW  - JUVENILE LITERATURE
ER  -