TY - JOUR AU - J. Brunt AU - F. Read BT - Journal of Physics E: Scientific Instruments DA - Jan-12-1975 DO - 10.1088/0022-3735/8/12/012 PY - 1975 SP - 1015 EP - 1020 T2 - Journal of Physics E: Scientific Instruments TI - Aberrations in electrostatic lenses UR - http://stacks.iop.org/0022-3735/8/i=12/a=012?key=crossref.da530968516cd1c6b5b2dbaace8ced3a VL - 8 SN - 0022-3735 ER -