TY  - BOOK
AU  - Bishop,Margaret S.
AU  - Sutherland,Berry
AU  - 
AU  - 
TI  - Focus on earth science
SN  - 0-675-02512-5
U1  - 550 B622 1981 
PY  - 1981///
CY  - Columbus, Ohio
PB  - Charles E. Merrill Publishing Co.
KW  - Earth Science
N1  - Includes appendices, glossary and index
ER  -