TY - BOOK AU - Cotton,Simon TI - Chemistry of precious metals SN - 0751404136 (papel libre de acido) AV - QD172.P88 C67 1997 U1 - 546/.6 21 PY - 1997/// CY - London PB - Blackie Academic & Professional KW - Metales preciosos N1 - Includes bibliographical references (p. [328]-361) and index ER -