000 00333nam a2200133Ia 4500
008 190711s9999 xx 000 0 und d
020 _a0879422505
082 _a621.3819537 N469
100 _aNETRAVALI,A.N
245 0 _aVISUAL COMMUNICATIONS SYSTEMS
260 _aNEW YORK
_bIEEE Press
_c1989
300 _a28X22
942 _cBK
_2DDC
999 _c25958
_d25958