AU - BURGESS,DAVID TI - CHEMICAL SCIENCE AND CONSERVATION SN - 033352165X U1 - 069.53/BUR PY - 1990/// CY - ENGLAND PB - MACMILLAN EDUCATION LTD. KW - CHEMICAL SCIENCE KW - CONSERVATION KW - CONSERVING DOCUMENTS KW - CONSERVING STONE KW - GLASS AND GLAZES KW - METALS KW - CANVAS ER -