TY  - BOOK
AU  - Pearl,Richard Maxwell
TI  - How to know the minerals and rocks
SN  - 6707049021
PY  - 1955///
CY  - New York
PB  - New American Library
KW  - Mineralogy, Determinative
KW  - Rocks
KW  - Identification
N1  - 'A Signet key book'; Includes bibliographical references (187-188) and index
ER  -