000
002850000a22001210004500
080
_a
539.1
_b
C7
100
_a
Crowther, James Arnold
245
_a
Ions, electrons and ionizing radiations
250
_a
8th ed.
260
_a
London
_b
Edward Arnold
_c
1949
300
_a
322p.
942
_c
BK
999
_c
51976
_d
51976