Method of Identification of Natural Building Stones (IS : 1123-1975) (Reaffirmed 2003 & 2013).
Method of Identification of Natural Building Stones (IS : 1123-1975) (Reaffirmed 2003 & 2013). - New Delhi : Bureau of Indian Standards, 1975. - 6 p.
Building Stones--Standards--India
691.2 / MET
Building Stones--Standards--India
691.2 / MET