INDIAN STANDARD METHOD OF IDENTIFICATION OF NATURAL BULDING STONES. IS : 1223-1975
BUREAU OF INDIAN STA
INDIAN STANDARD METHOD OF IDENTIFICATION OF NATURAL BULDING STONES. IS : 1223-1975 - 1st rev. ed. 1998 - NEW DELHI BUREAU OF INDIAN STANDARDS. - 8
  NATURAL BUILDING STONES
624 / BUR
INDIAN STANDARD METHOD OF IDENTIFICATION OF NATURAL BULDING STONES. IS : 1223-1975 - 1st rev. ed. 1998 - NEW DELHI BUREAU OF INDIAN STANDARDS. - 8
  NATURAL BUILDING STONES
624 / BUR