Q. Wang, J. Yin, S. Wu, A. Rabkin Golden, and Y. Yang, “Ultrasound-Assisted Dispersive Liquid-Liquid Microextraction for Determination of Organophosphorus Pesticides in Water Samples by Gas Chromatography-Pulsed Flame Photometric Detection”, ajc, vol. 26, no. 19, pp. 6499–6502, Sep. 2014.