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Releases by Lauf, Robert J., PhD.

November 30, 2010 – September 21, 2011

Cover for Lauf, Robert J., PhD. · Collector's Guide to the Beryl Group (Paperback Book) (2011)

Collector's Guide to the Beryl G... (2011)

Lauf, Robert J., PhD.

Cover for Lauf, Robert J., PhD. · The Collector's Guide to Silicate Crystal Structures (Paperback Book) (2010)

The Collector's Guide to Silicat... (2010)

Lauf, Robert J., PhD.