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