1. ANSI/ASAE S296.5 DEC2003 (R2018), 2018. General Terminology for Traction of Agricultural Traction and Transport Devices and Vehicles. American Society of Agricultural and Biological Engineers, St. Joseph, Michigan.
2. ASAE EP542 FEB1999 (R2013), 2013. Procedures for Using and Reporting Data Obtained with the Soil Cone Penetrometer. American Society of Agricultural and Biological Engineers, St. Joseph, Michigan.
3. ASTM D2216-10, 2010. Standard Test Methods for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass. ASTM International, West Conshohocken, PA. https://doi.org/10.1520/D2216-10.N.
4. ASTM D4643-17, 2017. Standard Test Method for Determination of Water Content of Soil and Rock by Microwave Oven Heating. ASTM International, West Conshohocken, PA. https://doi.org/10.1520/D4643-17.
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