INDIAN STANDARD SPECIFICATION FOR COARSE AND FINE AGGREGATES FROM NATURAL SOURCES FOR CONCRETE.
BUREAU OF INDIAN STA
INDIAN STANDARD SPECIFICATION FOR COARSE AND FINE AGGREGATES FROM NATURAL SOURCES FOR CONCRETE. - 2nd rev. 1993 - NEW DELHI BUREAU OF INDIAN STANDARDS. - 19
  NATURAL SOURCES FOR CONCRETE
624 / BUR
INDIAN STANDARD SPECIFICATION FOR COARSE AND FINE AGGREGATES FROM NATURAL SOURCES FOR CONCRETE. - 2nd rev. 1993 - NEW DELHI BUREAU OF INDIAN STANDARDS. - 19
  NATURAL SOURCES FOR CONCRETE
624 / BUR