TY  - BOOK
AU  - Thiel, M. J
TI  - Conservation of stone and other materials, vols. 1 & 2: causes of disorders and diagnosis
SN  - 0419188401
AV  - TA 404.2 Con 
PY  - 1993///
CY  - London
PB  - E & FN Spon
KW  - STONE BUILDINGS--CONSERVATION AND RESTORATION--CONGRESSES
KW  - WEATHERING OF BUILDINGS--CONGRESSES
ER  -