000
00306nam a2200121Ia 4500
999
_c
15443
_d
15443
008
190711s9999 xx 000 0 und d
082
_a
621.385 D229
100
_a
Das, P. N.
245
0
_a
Introduction to Manual Telephony
260
_a
CALCUTTA
_b
Modern Book Agency
_c
1973
300
_a
22X14
942
_c
BK