00428nam a2200193Ia 4500 10963 10963 9899 OSt 20190206144900.0 140327s9999 xx 000 0 und d 1-56884-331-3 PK-LaUMT 004.6 ANG-I Angell, David ISDN for dummies Angell, David 1995 332 p. EN WEEDED OUT ddc 0 0 0 0 01 01 2014-03-27 0 004.6 ANG-I 10488 2014-03-27 00:00:00 2014-03-27 BK