Clearning - London ; New York Conservation Unit of the Museums & Galleries Commission in conjunction with Routledge 1992. - 136 p. 26 cm. - Science for conservators ; v. 2 . Includes bibliographical references (p. 135-136) and index. ISBN: 0415071658 (hbk.) LCCN: 92-244312 Subjects--Topical Terms: Chemistry. Dewey Class. No.: 540