000 00259nam a2200109Ia 4500
008 170504s9999 xx 000 0 und d
100 _a"CHAPPELL, D."
245 _aUNDERSTANDING . NET
250 _aSECOND EDITION
260 _bADDISON WESTEY BOSTON
_c2006
300 _a317
440 _n-
999 _c27738
_d27738