TY  - BOOK
AU  - Padilla,Michael J.
AU  - Padilla,Michael J
TI  - Prentice Hall Science Explorer
SN  - 0132507943
U1  - 500 23
PY  - 2006///
CY  - Boston
PB  - McGraw-Hill
KW  - Earth Science
KW  - Science activities Explore
ER  -