Elementos de astronomía de posición

With a wealth of expertise and a keen sense of humor, this collection of essays delves into the chemistry behind Casanova's experiments with "Spanish Fly," the invention of gunpowder, the mysteries of baldness, and a multitude of other everyday phenomena and well-known stories. This one-of-a-kind guide is proof-positive that chemistry can be useful as well as enjoyable. Con una riqueza de pericia y un buen sentido de humor, esta colecci�n de ensayos explora la qu�mica tras los experimentos de Casanova con la cant�rida, la invenci�n de la p�lvora, los misterios tras la calvicie y una ...

Biographies and bibliographies of members are included in many of the volumes. Lists of members are usually given on covers of the numbers.

Eighty-eight lavishly illustrated pages of stepby-step coloured drawings and photographs teaches you how to grow orchids confidently, successfully and professionally. Written for the amateur and the professional without access to sophisticated laboratory equipment and chemicals, this contains all you need to know to become an expert.

Desde una perspectiva de las experiencias europeas se propone comparar el perfil de especialización que caracteriza e identifica a algunos territorios sobre el conjunto nacional, como son los sistemas productivos locales mexicanos incluidos en el presente libro. Esto es sólo un punto de partida que tomará forma en la medida en que se impulse el análisis hacia el ámbito de las políticas regionales que se dinamicen las ventajas reveladas en esas regiones.