The EPFL Press (PPUR) is a prestigious scientific publisher since 1980, and the editorial partner of the Swiss Federal Institute of technology (EPFL) in Lausanne. Our mission is to publish reliable and educational books. Our high quality requirements in the choice of the manuscripts and throughout the whole editorial process confers us an international reputation as a reference publisher by students, reasearchers, teachers, engineers and architects in the French wolrd, but also in english with our collection EPFL Press, internationally distribuited.