9Bailes P J, Larkai S K L. An experimental investigation into the use of high voltage D. C. fields for liquid phase separation[J]. Chemical Engineering Research and Design, 1981, 59 (3) : 229-237.
10Bailes P J, Larkai S K L. Liquid phase separation in pulsed D.C. fields. An experimental investigation into the use of high voltage D. C. fields for liquid phase separation [J]. Chemical Engineering Research and Design, 1982,60 ( 2 ) : 115-121.