1. HIMA (now AdvaMed), ‘Microbiological Evaluation of Filters for Sterilizing Liquids’, draft doc. No.3 Vol. 4, April, 1982 (obsolete)
2. American Society for Testing and Materials (ASTM), ‘Standard Test Method for Determining Bacterial Retention of Membrane Filters Utilised for Liquid Filtration’, ASTM Standard F838-83, ASTM, Philadelphia, PA (1983, Revised 2005)
3. DIN 58355 Teil 1-6 Membranfilter und DIN 58356 Teil1-12 Membranfilterelemente, Beuth Verlag, Berlin
4. FDA Guidance for Industry – Sterile Drug Products Produced by Aseptic Processing – Current Good Manufacturing Practice (Section IX. Validation of Aseptic Processing and Sterilization), 2004
5. Pall Corp., ‘Determination of product wet integrity test values for Pall filter cartridge’, Publ. No. USTR 1471(1)