1. Ultrafiltration Membranes and Applications;Cabasso,1980
2. DiLeo, A. J., et al. US Patent 5,017,292, 1991.
3. Use of the log-normal probability density function to analyze membrane pore size distributions: functional forms and discrepancies
4. Electrostatic effects on protein partitioning in size-exclusion chromatography and membrane ultrafiltration
5. General Atomics, US Patent 3,839,201, 1967.