Publications
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Absence of Diffusion in Certain Random Lattices
This paper presents a simple model for such processes as spin diffusion or conduction in the "impurity band." These processes involve transport in a lattice which is in some sen...
Optical Properties and Electronic Structure of Amorphous Germanium
Abstract The optical constants of amorphous Ge are determined for the photon energies from 0.08 to 1.6 eV. From 0.08 to 0.5 eV, the absorption is due to k ‐conserving transition...
The Relational View: Cooperative Strategy and Sources of Interorganizational Competitive Advantage
In this article we offer a view that suggests that a firm's critical resources may span firm boundaries and may be embedded in interfirm resources and routines. We argue that an...
TCS: a computer program to estimate gene genealogies
Phylogenies are extremely useful tools, not only for establishing genealogical relationships among a group of organisms or their parts (e.g. genes), but also for a variety of re...
Toward an experimental ecology of human development.
A broader approach to research in hu- j man development is proposed that focuses on the pro- gressive accommodation, throughout the life span, between the growing human organis...
The american college of rheumatology 1990 criteria for the classification of fibromyalgia
Abstract To develop criteria for the classification of fibromyalgia, we studied 558 consecutive patients: 293 patients with fibromyalgia and 265 control patients. Interviews and...
Giant Magnetoresistance of (001)Fe/(001)Cr Magnetic Superlattices
We have studied the magnetoresistance of (001)Fe/(001)Cr superlattices prepared by molecular-beam epitaxy. A huge magnetoresistance is found in superlattices with thin Cr layers...
Mass Spectrometric Sequencing of Proteins from Silver-Stained Polyacrylamide Gels
Proteins from silver-stained gels can be digested enzymatically and the resulting peptide analyzed and sequenced by mass spectrometry. Standard proteins yield the same peptide m...