METHODS OF TEST FOR SOILS PT 31 DETERMINATION OF CALIFORNIA BEARING RATIO
IS:2720 (PART XXXI)1990
METHODS OF TEST FOR SOILS PT 31 DETERMINATION OF CALIFORNIA BEARING RATIO - LONDON THAMES AND HUDSON PUBLISHING COMPANY 1991 - 5
METHODS OF TEST FOR SOILS PT 31 DETERMINATION OF CALIFORNIA BEARING RATIO - LONDON THAMES AND HUDSON PUBLISHING COMPANY 1991 - 5