Conservation restoration and philatelic chemistry.
Gupta V K
Conservation restoration and philatelic chemistry. Gupta V K - Delhi Bhagwan Das Gupta India 1997 - 208p. Bibliography 204-206 cm.
General Book
Useful Arts
MYX46, N7
Conservation restoration and philatelic chemistry. Gupta V K - Delhi Bhagwan Das Gupta India 1997 - 208p. Bibliography 204-206 cm.
General Book
Useful Arts
MYX46, N7
