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Advances in Soil Science
From the beginning of agriculture until about 1950, increased food production came almost entirely from expanding the cropland base. Since 1950, however, the yield per unit of land …
Ecological Heterogeneity
An attractive, promising, and frustrating feature of ecology is its complex ity, both conceptual and observational. Increasing acknowledgment of the importance of scale testifies …
Contraception for the Medically Challenging Patient
Women with chronic medical problems are at higher risk for complications during pregnancy and therefore, they are especially in need of appropriate preconception and contraception …
Women in Medicine
In this newly revised, expanded and updated edition, the authors have provided a definitive resource about and for women physicians. From statistical data regarding practicing …
High Temperature Superconductivity
One of the most exciting developments in modern physics has been the discovery of the new class of oxide materials with high superconducting transition temperature. Systems with Tc …
Multiphase Flow in Porous Media
The past decade has seen remarkable growth in research related to petroleum reseIVoir simulation. This growth reflects several developments, not the least of which is the increased …
Atherosclerosis V
The objective of the program committee of the Fifth International Symposium on Atherosclerosis was to bring together experts in many disciplines to broaden the scope of the attack …
Narrow-Band Phenomena—Influence of Electrons with Both Band and Localized Character
The understanding of electronic behaviour in solids when (some of) the valence electrons have both localized and band-like characteristics is one of the central problems of physics …
Telephone Fund Raising
There was a time when bake sales, raffles, and the like provided non profit-making organizations with the funds they needed to flourish. Those days have long passed. …