TY  - BOOK
ED  - Great Britain.
TI  - Clearning
SN  - 0415071658 (hbk.)
U1  - 540 20
PY  - 1992///
CY  - London, New York
PB  - Conservation Unit of the Museums & Galleries Commission in conjunction with Routledge
KW  - Chemistry
N1  - Includes bibliographical references (p. 135-136) and index
ER  -