Specific Gravity
- IS : 2720 (Part II) – 1973, Method of Test for soil : Part II
- Soil Mechanics and Foundations 3rd Edition, Muniram Budhu.
- Soil Mechanics Laboratory Manual, Braja M. Das
- Geotechnical Engineering: Principles and Practices of Soil Mechanics and Foundation Engineering, V.N.S. Murthy.