Gems and gem materials

Detalles Bibliográficos
Main Authors:	Kraus, Edward Henry 1875-1973 (Author), Slawson, Chester Baker 1898- (Author)
Formato:	Libro
Idioma:	English
Publicado:	New York McGraw-Hill ©1947.
Edición:	Fifth edition.
Subjects:	Precious stones.