TY  - BOOK
AU  - Roberts,Willard Lincoln
AU  - Weber,Julius
AU  - Robert Rapp,George
TI  - Encyclopedia of minerals
SN  - 0442268203
PY  - 1974///
CY  - New York
PB  - Van Nostrand Reinhold Co.
KW  - Mineralogy
KW  - Dictionaries
N1  - Includes bibliographical references
ER  -