Author

Roberto Appiani

2 books found

Cover of Minerals

Minerals

Alessandro Guastoni, Roberto Appiani · First published 2005

Cover of Emerald

Emerald

Gunther Grundmann, Rupert Hochleitner, Lore Kiefert, Karl Schmetzer, John Sinkankas, Jeff Scovil, Roberto Appiani · First published 2002