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Volume 12 of group IV presents phase diagrams, crystallographic and thermodynamic data of binary alloy systems. The subvolume B contains systems from B-Ba to C-Zr. Volume 12 forms a supplement to volume 5.

The magnetic and related properties of lanthanide and actinide pnictides and chalcogenides have been compiled in subvolume 27B.

The magnetic properties of lanthanide and actinide pnictides and chalcogenides have been compiled in subvolume 27B.

The thermodynamic properties of fluids are vital information for design, operation (including safety considerations) and maintenance in the fluid processing or continuous manufacturing industries.

The Pharmaceutical industry is therefore focussing on ways to reduce attrition by addressing frequent reasons for clinical drug failures very early in the drug discovery process.

Over the last few years, we have witnessed tremendous progress in the field of eicosanoids and their therapeutic applications. New molecules and me diators have been identified, new enzymes and pathways elucidated and new therapeutic approaches have emerged.

Some of the current concepts used in transgenic research, an increasingly important tool to study the regulation and function of genes, are illustrated in this book.

These models must not be too general, for in that case not only would their theoretical study prove difficult, but above all the adaptation of such models to an observed system would lead to an estimation of a great number of parameters on the basis of a necessarily restricted sample.

Finally, we thank Mr. Michael Teague for reading and commenting on the first dozen sections and we thank Mrs. Joanne Downs for ed iting and typing the final manuscript. ., IN MEMORIAM PROFESSOR GUNNAR KALLEN On October 13, 1968, Professor Gunnar Kallen of the University of Lund, Sweden, died in an airplane accident near Hanover.

Dedicated to Wolfgang Gentner

The study of optimal shape design can be arrived at by asking the following question: "What is the best shape for a physical system?" Each of these fields is reviewed briefly: PDEs (Chapter 1), optimization (Chapter 4), optimal control (Chapter 5), and numerical methods (Chapters 1 and 4).

The purpose of the book is to explore new ways to analyze recent trends in income inequality and poverty, both from the perspective of quantifying poverty and inequality and quantifyig the impact of various factors on the trends in inequality and poverty.