000 00251nam a2200109Ia 4500
008 230416s9999||||xx |||||||||||||| ||und||
020 _a862778115
050 _aT58.64 .M35 1990.
245 0 _aManagement of systems /
260 _c1990
942 _2lcc
_cBK
999 _c4751
_d4751