1. Introduction to Magnetism and Magnetic Materials;Jiles,1991
2. Permanent Magnets and their Application;Parker,1964
3. Dexter Magnetic Technologies [a.k.a. Permag Corp], Reference and design manual, 1998 [available from the authors’ company by email or surface mail].
4. Continuous cell separation using novel magnetic quadrupole flow sorter
5. High Gradient Magnetic Separation;Gerber,1983