53. "Simple Expressions
for the Chromatic Aberration Coefficients of 2nd Degree in Particle Energy of an
Achromatic Quadrupole Doublet", F. W. Martin, Optik 100, 129-132 (1995).
55. "Experimental Compensation of Parasitic Octopole Aberrations in
Small-Bore Quadrupole Lenses", F. W. Martin and R. Goloskie, Nucl. Instr. and
Meth. B104, 59 (1995).
for a fuller list of publications, consult the listing in
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