METHODS OF TEST FOR DETERMINATION OF PER MEABILITY OF NATURAL BUILDING STONES
IS:4348-1973
METHODS OF TEST FOR DETERMINATION OF PER MEABILITY OF NATURAL BUILDING STONES - LONDON THAMES AND HUDSON PUBLISHING COMPANY 1974 - 10
METHODS OF TEST FOR DETERMINATION OF PER MEABILITY OF NATURAL BUILDING STONES - LONDON THAMES AND HUDSON PUBLISHING COMPANY 1974 - 10