000
00264pam a2200109a 44500
082
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530.5
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US6E V.61
100
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Blokhintsev, D.I.
245
1
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ADVANCES IN PHYSICAL SCIENCES
260
_a
_b
State Publishing House
_c
1957
964
_g
CIRC
997
_a
19806 C
999
_c
408032
_d
408032