000 00272nam a2200109Ia 4500
008 220713s9999 xx 000 0 und d
020 _a133484831
082 _a004,6 STAL
100 _aSTALLINGS WILLIAM
_9116663
245 0 _aBUSINESS DATA COMMUNICATIONS
942 _cBK
_w561
_xJohn Tresidder
_y561
_zJohn Tresidder
999 _c709867
_d709866