NZS 4402.3.4:1986 Methods of Testing Soils for Civil Engineering Purposes Part 3: Soil Chemical Tests Test 3.4: Detection of Presence of Allophane in Soils
1986NZS 4402.3.4:1986 Methods of Testing Soils for Civil Engineering Purposes Part 3: Soil Chemical Tests Test 3.4: Detection of Presence of Allophane in Soils