Briggs, L. J. (1899). Electrical instruments for determining the moisture, temperature, and soluble salt content of soils. Government Printing Office.
Chicago-Zitierstil (17. Ausg.)Briggs, Lyman J. Electrical Instruments for Determining the Moisture, Temperature, and Soluble Salt Content of Soils. Washington: Government Printing Office, 1899.
MLA-Zitierstil (9. Ausg.)Briggs, Lyman J. Electrical Instruments for Determining the Moisture, Temperature, and Soluble Salt Content of Soils. Government Printing Office, 1899.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.