1. [4] The support and encouragement of Brian Legge (JEOL Canada), Dr. Y. Taniguchi (Hitachi High Tech. Corp.), Dr. S. Motoki (JEOL Ltd), D. Hoyle (Hitachi High Tech.Canada) Dr. Y. Nagatani (JPARC, Japan), Dr. H. Okamoto (Akita Pref. U., Japan), Dr. M. Marko (Wadsworth Centre, New York, USA), Prof. M. Freeman (U of Alberta), Prof. M. Beleggia (Denmark, Tech. U) as well as many others made this project possible.
2. Unipotential electrostatic lenses: Paraxial properties and aberrations of focal length and focal point
3. [1] https://www.gnu.org/licenses/old-licenses/gpl-2.0.en.html
4. [2] https://nrc.canada.ca/en/, www.tem-eels.ca and www.msc-smc.org