机读格式显示(MARC)

• 000 00445nam2 2200181 4500

• 001 0000236448

• 020 __ |a 0-412-43180-7 |c ￥285.04

• 041 0_ |a eng

• 093 __ |a TN913.24 |v 4

• 245 1_ |a ISDN Technology. |c Brewster, R.L. |g |A ISDNTECH |F BREWSTER,RL

• 250 __ |a

• 260 __ |a London |b Chapman and Hall. |c 1993

• 300 __ |a X,126c23cm

• 440 0_ |a

• 700 _0 |a Brewster, R.L. |A BREWSTER,RL |4 著

• 851 _0 |a CN |b HIEL

• 905 __ |a HIEL |d TN913.24/B1

• 999 __ |b 1