1. Solvent thin layer separator for microextraction of water
2. ISO 9377-2: 2000 Water quality. Determination of hydrocarbon oil index. Part 2. Method using solvent extraction and gas chromatography, International Organization for Standardization, Geneva, Switzerland.
3. P. Hrivňák, Utility Model No. 3037 (Microseparator for the extraction of organic substances from water and water solutions), ÚPV, Švermova 43, Banská Bystrica, Slovak Republic, 2001.