1 “...Why do things go wrong? Why, despite all the planning and care in the world, do things go from bad...”

2 “...London Mathematical Society lecture note series...”

3 “...London Mathematical Society lecture note series...”

4 “...London Mathematical Society lecture note series...”

5 “...London Mathematical Society lecture note series...”

6 “..., and motivations - a book with masterful mathematical care and judgement. It is a pleasure to have this fundamental...”

7 “...This volume contains the proceedings of a NATO/London Mathematical Society Advanced Study Institute...”

8 “... in Bulletin of the American Mathematical Society, 1987 "This treatise is outstanding in every respect and must...”

9 “... in Bulletin of the American Mathematical Society, 1987 "This treatise is outstanding in every respect and must...”

10 “... of the American Mathematical Society), 1996. ``It is destined to become a standard reference in the field which...”

11 “... of the American Mathematical Society), 1996. ``It is destined to become a standard reference in the field which...”

12 “... for resource management, transportation, energy production and utilization; health care delivery, and social...”