00391nam a2200145Ia 4500008004100000020001700041040002600058082001400084100002000098245004400118250001100162260005100173003000400224005001700228241217s9999||||xx |||||||||||||| ||und||  a850128226c0  bengcSSK Libraryerda  a003 WES.2  a Brian G.  West 0aNcc Systems Training 6: Systems Control  a2nd ed  b The National Computing Centre Limitedc©1990OSt20241217112752.0