000 00467nam a2200169 4500
001 10648
005 20130515014146.0
008 111112s9999 xx 000 0 und d
020 _ahard cover
082 0 0 _a621. 38 har
100 1 _a"hartley, g c. "
_94456
245 1 0 _atechniques of pulse-code modulation:
_bin communication networks/
_c g.c. hartley
250 _a1 ed.
260 _auk :
_bcambridge
_c1967.
300 _a"vi, 110p.;
_c21 cm."
942 _2lcc
_cBK
999 _c14606
_d14606