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En La frontera norte de México, 1821-1846, David J. Weber realiza un estudio exhaustivo de los diferentes grupos sociales que poblaban California, Nuevo México y Texas, a partir de que se consumó la independencia mexicana. El autor advierte que la frontera entre México y los Estados Unidos se entenderá mejor en la medida en que se le observe como fenómeno social, como el espacio físico en el que dos culturas se encuentran.

This study is a highly innovative body of research on the supply of raw material in prehistoric Iberia. The archaeological assemblages from recently excavated sites in north-eastern Spain are clearly presented, as are the various methods for the characterisation of flints and the determination of geological origins. The study is important in terms of the new data provided on raw material supply at the end of the Upper Palaeolithic in Iberia and a reconstruction of mobility patterns and resource exploitation of hunter-gatherer groups during the Pleistocene/Holocene transition. In Spanish.

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

Este volumen se centra en el tema de las dinámicas del subdesarrollo, el papel de la mujeres en una sociedad global y las vías de solución al subdesarrollo a través de los programas de desarrollo auto sustentable o etnodesarrollo. Asimismo se ofrece un espacio de conciencia solidaria , y se presenta un modelo de desarrollo integral que barca aspectos como la salud, la ecología, la educación, el desarrollo de la mujer y todo lo relacionado con lo humano.