TY  - BOOK
AU  - Willis,Paul M.A.
TI  - Rocks & minerals
T2  - My first pocket guide
SN  - 0792265785
U1  - 552 23
PY  - 1997///
CY  - Washington : 
PB  - National Geographic Society , 
KW  - Minerals ; Rocks
N1  - Includes glossary and index
ER  -