Sims, Oliver
McGraw-Hill , 1994
Buku Teks SO
Sully, Phil
Prentice-Hall, 1993
Buku Teks SO
Agrawal, O. P.
National Research Laboratory for Conservation of Cultural Property, 1979
Buku Teks SO
edited by Susan M. Pearce
Routledge, 1996
Buku Teks SO
Lang, Peter
Thames & Hudson, 2003
Buku Teks SO