00429nam a2200157 a 450000500170000008200170001710000170003410000170005124500420006825000110011026000480012130000270016949000280019663000210022463000260024520251203092026.0  a004.125bLEO  aLeon, Alexis  aThomas, Gibu  aIBM Mainframe and year 2000 solutions  a4th ed  aNew DelhibComdex computer publishingc1997  axvi, 898p.b20 cm.cPB  aComdex Maniframe Series  aComputer Science  aIBM mainfram computer