S. Hoath, G. Martin, I. Hutchings, T. Tuladhar, и M. Mackley. NIP24 and Digital Fabrication 2008, стр. 130--133. The Society for Imaging Science and Technology and The Imaging Society of Japan, (2008)
L. Yang, и C. Bain. NIP25: International Conference on Digital Printing Technologies and Digital Fabrication 2009, стр. 79--82. Society for Imaging Science and Technology, (20.09.2009)