00272    a2200109   450000500170000002000180001708400160003510000270005124500350007826000360011330000130014920260404145321.0  a9781266899799  2CCa X11     aFRANK ( Rober H ), etc  a Principles of Micro Economics  bMcGraw Hill,  c2024,aNew York  a430+I-16