000
00279nam a22001337a 4500
999
_c
15321
_d
15321
020
_a
0435686136
082
_a
534
100
_a
NELKON,M
245
_a
Optics Sound and Waves
250
_a
5th ed
260
_a
London
_b
Heinemann
300
_a
785p.;
_b
illi,;
_e
23cm
942
_c
BK