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[1]
ALINOVSKII NI, 1971, RECENT ADV PLASMA DI, V3, P30
[2]
BYKOVSKII YA, 1969, SOV PHYS TECH PHYS-U, V13, P986
[6]
Harting E., 1976, ELECTROSTATIC LENSES
[8]
KUYATT CE, UNPUBLISHED