ABSTRACT

The aim of this chapter is a wide-range analysis of the existing scientic literature, from the dual perspective of (i) scientific publications, which reect the interest of the (academic) scientic community and (ii) patents, which reect the well-established (at industrial level) technologies or the emerging ones (Jun and Lee, 2012). The analysis tries to delineate the technological and scientic evolution of LSDM systems in the last 20-30

13.1 Introduction ........................................................................................................................ 261 13.2 Data collection .................................................................................................................... 263 13.3 Data analysis .......................................................................................................................264