1. Physical properties of mine rock, 2;Blair;U.S., Bur. Mines, Rep. Invest.,1955
2. Physical properties of mine rock, 4;Blair;U.S., Bur. Mines, Rep. Invest.,1956
3. Improved impregnation technique for the preservation of stone statuary;Gauri;Nature,1970
4. Reactivity of treated and untreated marble specimens in an SO2atmosphere;Gauri,1973
5. Rock-weathering as illustrated in Edinburgh Church yards;Geike,1880