1. W. H. Coulter 1953
2. Coulter Electronics Ltd. Instruction Manual for the Coulter Counter Model ZM 1982
3. Coulter Electronics Ltd. Reference Manual for the Coulter Multisizer 1986
4. British Standards Institution British Standard Methods for determination of particle size of powders 1983
5. Improving Resolution in Coulter Counting by Hydrodynamic Focusing;Spielman;J. Coll. Interface Sci.,1968