Laser Nanosphere Lithography Posted by admin on Oct 22, 2009 in Alex Heltzel, Publications, Thermal Systems | 0 comments Alex Heltzel, PC Krause and Associates, Inc. Book Chapter in Nanomanufacturing American Scientific Publishers, 2009. A. Heltzel, PC Krause and Associates, Inc. Book Chapter in Nanomanufacturing, No related posts.