TY  - BOOK
AU  - Harris,Nicholas
TI  - Physical science
T2  - Blackbirch visual encyclopedia
SN  - 1567115217
U1  - 503 23
PY  - 2003///
CY  - San Diego, California : 
PB  - Blackbirch Press , 
KW  - Physical science
N1  - Includes index
ER  -