000
002360000a22001090004500
245
_a
Atom and ion sources
100
_a
Valyi, L.
260
_a
Budapest
_b
Akademiai Kiado
_c
1977
080
_a
539.18
_b
V3
041
_a
EN
942
_c
BK
999
_c
114836
_d
114836