TY  - BOOK
AU  - Halls,Kelly Milner
TI  - Science projects: Cells and systems 
SN  - 9780431040332
U1  - 571.6 
PY  - 2007///
CY  - United Kingdom
PB  - Heinemann Library
KW  - Cells
KW  - Juvenile Literature
KW  - Biological systems
KW  - Juvenile literature
KW  - Cells - Experiment
KW  - Biological systems -Experiments
N1  - Includes index
ER  -