1. 1) ASTM D698 (2000): Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort (12 400 ft-lbf/ft3 (600 kN-m/m3)); Vol. 4.08. D-18 Committee on Soils and Rocks, West Conshohocken, PA, USA.
2. 2) ASTM D6836 (2002): Standard Test Methods for Determination of the Soil Water Characteristic Curve for Desorption Using a Hanging Column, Pressure Extractor, Chilled Mirror Hygrometer, and/or Centrifuge)); Vol. 4.08. D-18, Committee on Soils and Rocks, West Conshohocken, PA, USA.
3. 3) British Standards Institution (BSI) (1990): British standard methods of test for soils for civil engineering purposes, BS 1377-2, London.
4. 4) Canelas, D., Fernandes, I. and Lopes, M.da G. (2018): Use of Fall Cone Test for the determination of undrained shear strength of cohesive soils, MATEC Web Conf., 251 (2018) 04067.
5. 5) Feng, T.W. (2000): Fall-cone penetration and water content relationship of clays, Geotechnique, 50(2), 181–187.