APA

RILEM, Thiel M. & Unesco. (1993). Conservation of stone and other materials. Volume two: prevention and treatments: proceedings of the International RILEM/UNESCO Congress Conservation of Stone and Other Materials: Research - Industry - Media, held at UNESCO ... Paris ... June 29 - July 1 1993. London: E. & F.N. Spon.

Chicago

RILEM, Thiel M.-J and Unesco. 1993. Conservation of stone and other materials. Volume two: prevention and treatments: proceedings of the International RILEM/UNESCO Congress Conservation of Stone and Other Materials: Research - Industry - Media, held at UNESCO ... Paris ... June 29 - July 1 1993. London: E. & F.N. Spon.

Harvard

RILEM, Thiel M. and Unesco. (1993). Conservation of stone and other materials. Volume two: prevention and treatments: proceedings of the International RILEM/UNESCO Congress Conservation of Stone and Other Materials: Research - Industry - Media, held at UNESCO ... Paris ... June 29 - July 1 1993. London: E. & F.N. Spon.

MLA

RILEM, Thiel M.-J and Unesco. Conservation of stone and other materials. Volume two: prevention and treatments: proceedings of the International RILEM/UNESCO Congress Conservation of Stone and Other Materials: Research - Industry - Media, held at UNESCO ... Paris ... June 29 - July 1 1993. London: E. & F.N. Spon. 1993.