Grid-connected inverters are key components of distributed generation systems (DGSs) and micro-grids (MGs), because they are effective interfaces for renewable and sustainable distributed energy resources (DERs). Recently, multi-functional grid-connected inverters (MFGCIs) have attracted more...

In this paper, we examine the relationship among real oil prices, global economic activity, real value of the US dollar, and real interest rates during the period 1988:1 to 2011:12. We employ the Gregory and Hansen (1996) cointegration test with structural breaks to investigate the long-run...

Qualitative theories and quantitative models (p.9) represent the subject of discussion of this book, which brings together interdisciplinary perspectives and studies of numerous specialists in fields such as sociology, philosophy, mathematics, political science and communication, medicine,...

The work The Soviet-afghan War (1979–1989). Study of oral history. Perceptions. Documents is part of the historical hermeneutic dimension, particularly significant for the history of the present time, to make from memories a form of justice. The importance of this issue is significant also due...

This paper gives an overview of the geophysico-chemical groundwater conditions in Sri Lanka and the associated contemporary management challenges. Groundwater is extensively used in Sri Lanka today, for agriculture, domestic use and industry/tourism. Groundwater access, availability and...

El marketing ha evolucionado notablemente como disciplina científica en España a lo largo de los últimos años. El presente trabajo trata de poner de manifiesto qué ha caracterizado esta evolución en las dos últimas décadas, y cuál es su estado actual. Para ello, y junto a una...