Gieseler H. 2007. The Current State of PAT in Freeze-Drying. Lyophilization of Pharmaceuticals, Informa Life Science Seminar, Dec 3-5.

Gieseler H. 2008. Process analytical technology in freeze drying: the desired state vs. reality. CPPR Freeze-Drying of Pharmaceuticals and Biologicals, Breckenridge (CO), USA, Aug 6-9.

Gieseler H. 2009. PAT & Quality by Design in Freeze Drying: a Quick Review. AAPS National Biotechnology Conference, Seattle (WA), USA, June 21-24.

Gieseler H. 2010. Freeze-Drying of Nanosuspen- sions: From Theory to Practical Formulation and Process Design. CPPR Freeze-Drying of Pharmaceuticals and Biologicals, Garmisch-Partenkirchen, Germany, Sept. 28 – Oct. 1.

Gieseler H. 2011. Process Analytical Technology (PAT) in Freeze-Drying. AAPS National Biotechnology Conference, San Francisco (CA), USA, May 16-19.

Stärtzel P. 2012. New Insights into Specific Surface Area Analysis of Freeze-Dried Pharmaceuticals. 2nd Annual Lyophilization for Biologicals, Munich, Germany, 23-25 January.

Gieseler H * . 2009. Einsatz der DSC in der Entwicklung gefriergetrockneter Arzneimittel. In: Anwendungen der Thermischen Analyse, Mikro- kalorimetrie und Rheologie im Bereich der Pharmazie, Biotechnologie, Lebensmitteltechnologie und Kosmetik; Kunze W., Ed.; TA Instruments: Eschborn, pp. 45-59. ISBN: 978-3-940184-04-7.

Gieseler H  *. 2012. Quality by Design (QbD) in Freeze Drying. In: Encyclopedia of Pharmaceutical Technology, Fourth Edition; J. Swarbrick, Ed. Informa Healthcare: London, UK. (in press)