00282    a2200097   4500020001500000082001800015245006800033260004000101300001500141650002800156  a033514280X  a004.0151bOPE  aChapter 11 efficiency of algorithmsbBlock IV (Chapters 10-13)_  aWaltonbOpen Universityc1995g1995  a44p.c29cm  aMathematical principles