1. Laboratory investigation on directional drilling performance in isotropic and anisotropic rocks;Abugharara,2016
2. Standard test method for particle-size analysis of soils;ASTMD422-63,2007
3. Standard test method for laboratory determination of pulse velocities and ultrasonic elastic constants of Rock;ASTM D2845,2008
4. Standard test methods for particle-size distribution (gradation) of soils using sieve analysis;ASTM D6913,2009
5. Standard test method for compressive strength and elastic moduli of intact rock core specimens under varying states of stress and temperatures;ASTM D7012-14,2014