000 00325nam a2200133Ia 4500
008 161018s9999 xx 000 0 und d
020 _a813171179X
100 _aLeffingwell D Widring D
245 _aManaging Software Requirements
250 _a2Ed
260 _bPearson Education
300 _a536p.
_bRs:399
490 _a5059
999 _c5059
_d5059