TY  - BOOK
AU  - Howard  B. Graves Jr
TI  - Mineral key
U1  - 549 
PY  - 1947///
CY  - New York
PB  - McGraw Hill Book Co.
N1  - Howard  B. Graves Jr: Mineral key.  New York.  McGraw Hill Book Co., 1947.--(549GRA)
ER  -