TY  - BOOK
AU  - Brown,Walter R.
AU  - Anderson,Norman D.
TI  - Earth science: a search for understanding 
SN  - 0397401957
AV  - QE28 .B70 1973
PY  - 1973///
CY  - Philadelphia
PB  - Lippincott
KW  - Earth sciences
KW  - Study and teaching (Secondary)
N1  - Includes index; Issued with the author's Teacher's introduction and answer key of Earth science: a search for understanding, annotated edition; Includes bibliographical references
UR  - http://www.archive.org/details/earthsciencesear00brow
UR  - http://www.openlibrary.org/books/OL24205816M
ER  -